Reyhan, Last of the Abzan enters the battlefield with three +1/+1 counters on it. Whenever a creature you control dies or is put into the command zone, if it had one or more +1/+1 counters on it, you may put that many +1/+1 counters on target creature. Partner (You can have two commanders if both have partner.)

Destroy all creatures. They can't be regenerated.

Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with that many +1/+1 counters on it.) Each other creature you control enters the battlefield with an additional X +1/+1 counters on it, where X is the number of +1/+1 counters on Bloodspore Thrinax.

Gathered Swarm — Whenever one or more tokens enter the battlefield under your control, put a +1/+1 counter on Cloakwood Swarmkeeper.

If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on it instead.

Whenever a player casts a spell, you may put a +1/+1 counter on Forgotten Ancient. At the beginning of your upkeep, you may move any number of +1/+1 counters from Forgotten Ancient onto other creatures.

When Fractal Harness enters the battlefield, create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it and attach Fractal Harness to it. Whenever equipped creature attacks, double the number of +1/+1 counters on it. Equip {2}

If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on it instead.

Hooded Hydra enters the battlefield with X +1/+1 counters on it. When Hooded Hydra dies, create a 1/1 green Snake creature token for each +1/+1 counter on it. Morph {3}{G}{G} As Hooded Hydra is turned face up, put five +1/+1 counters on it.

Commander creatures you own have "This creature enters the battlefield with an additional +1/+1 counter on it" and "Other creatures you control enter the battlefield with an additional +1/+1 counter on them."

Polukranos enters the battlefield with six +1/+1 counters on it. It escapes with twelve +1/+1 counters on it instead. If damage would be dealt to Polukranos while it has a +1/+1 counter on it, prevent that damage and remove that many +1/+1 counters from it. {1}{B}{G}: Polukranos fights another target creature. Escape—{4}{B}{G}, Exile six other cards from your graveyard.

Whenever a creature you control deals combat damage to a creature, you may put a quest counter on Quest for the Gemblades. Remove a quest counter from Quest for the Gemblades and sacrifice it: Put four +1/+1 counters on target creature.

Devour 3 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with three times that many +1/+1 counters on it.) When Ravenous Gigantotherium enters the battlefield, it deals X damage divided as you choose among up to X target creatures, where X is its power. Each of those creatures deals damage equal to its power to Ravenous Gigantotherium.

Equipped creature has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.) At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's green. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

{G}: Exile target card from a graveyard. If it was a creature card, put a +1/+1 counter on Scavenging Ooze and you gain 1 life.

Trample Scourge of Skola Vale enters the battlefield with two +1/+1 counters on it. {T}, Sacrifice another creature: Put a number of +1/+1 counters on Scourge of Skola Vale equal to the sacrificed creature's toughness.

Towering Titan enters the battlefield with X +1/+1 counters on it, where X is the total toughness of other creatures you control. Sacrifice a creature with defender: All creatures gain trample until end of turn.

({T}: Add {G}.)

{T}: Add one mana of any color in your commander's color identity.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Fertilid enters the battlefield with two +1/+1 counters on it. {1}{G}, Remove a +1/+1 counter from Fertilid: Target player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles.

{1}, {T}: Add {B}{G}.

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.) {T}: Add {G} for each +1/+1 counter on Gyre Sage.

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

Rampant Rejuvenator enters the battlefield with two +1/+1 counters on it. When Rampant Rejuvenator dies, search your library for up to X basic land cards, where X is Rampant Rejuvenator's power, put them onto the battlefield, then shuffle.

Whenever another creature enters the battlefield, its controller may draw a card if its power is greater than each other creature's power. {G}, {T}: Add X mana in any combination of colors, where X is the greatest power among creatures you control.

Search your library for up to two Forest cards, put them onto the battlefield, then shuffle.

{T}: Add {C}{C}.

Exile target creature. Put X +1/+1 counters on a commander creature you control, where X is the power of the creature exiled this way.

{B}, Sacrifice a creature: Destroy target nonblack creature.

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Destroy target creature. You lose 2 life.

As an additional cost to cast this spell, sacrifice a creature. You gain life equal to the sacrificed creature's toughness. Destroy target creature an opponent controls.

Conductor of Cacophony enters the battlefield with two +1/+1 counters on it. {B}, Remove a +1/+1 counter from Conductor of Cacophony: It deals 1 damage to each other creature and each player.

Kurbis, Harvest Celebrant enters the battlefield with a number of +1/+1 counters on it equal to the amount of mana spent to cast it. Remove a +1/+1 counter from Kurbis: Prevent all damage that would be dealt this turn to another target creature with a +1/+1 counter on it.

Monoskelion enters the battlefield with a +1/+1 counter on it. {1}, Remove a +1/+1 counter from Monoskelion: It deals 1 damage to any target.

Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.

Carrion Feeder can't block. Sacrifice a creature: Put a +1/+1 counter on Carrion Feeder.

When Disciple of Bolas enters the battlefield, sacrifice another creature. You gain X life and draw X cards, where X is that creature's power.

{T}, Sacrifice a creature: Put two +1/+1 counters on target creature. {T}, Remove a counter from a creature you control: Create a Treasure token. {T}, Sacrifice an artifact: Create a 2/1 white and black Inkling creature token with flying. {3}{B}: Untap Fain, the Broker.

Sacrifice a creature: Draw cards equal to the sacrificed creature's power, then discard three cards.

Whenever a creature you control with toughness 4 or greater dies, each opponent loses 2 life and you gain 2 life. {2}{B}, Sacrifice another creature: Put a +1/+1 counter on Kheru Bloodsucker.

As an additional cost to cast this spell, sacrifice a creature. Draw cards equal to the sacrificed creature's power.

As an additional cost to cast this spell, sacrifice a creature. You draw cards equal to the sacrificed creature's power, then you gain life equal to its toughness.

{1}{G}, Sacrifice a non-Ooze creature: Create an X/X green Ooze creature token, where X is the sacrificed creature's power. Activate only as a sorcery.

When Ruthless Technomancer enters the battlefield, you may sacrifice another creature you control. If you do, create a number of Treasure tokens equal to that creature's power. {2}{B}, Sacrifice X artifacts: Return target creature card with power X or less from your graveyard to the battlefield. X can't be 0.

+1: Create a 0/1 green Plant creature token. −2: Put a +1/+1 counter on each creature you control. −7: You gain X life and draw X cards, where X is the number of lands you control.

Draw cards equal to the greatest power among creatures you control. You may cast a spell with mana value 5 or less from your hand without paying its mana cost.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.) Equip {1}

{B}, {T}, Sacrifice another creature: Create X 2/2 black Zombie creature tokens, where X is the sacrificed creature's power.

Grakmaw, Skyclave Ravager enters the battlefield with three +1/+1 counters on it. Whenever another creature you control dies, if it had a +1/+1 counter on it, put a +1/+1 counter on Grakmaw. When Grakmaw dies, create an X/X black and green Hydra creature token, where X is the number of +1/+1 counters on Grakmaw.

Trample At the beginning of your end step, each player creates a 1/1 green Plant creature token. Whenever a creature token dies, put a +1/+1 counter on Grismold, the Dreadsower.

At the beginning of your end step, create a 1/1 green Insect creature token for each +1/+1 counter you've put on creatures under your control this turn.

Devour 2 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with twice that many +1/+1 counters on it.) At the beginning of your upkeep, create a 1/1 green Saproling creature token for each +1/+1 counter on Mycoloth.

Whenever a token you control leaves the battlefield, put a +1/+1 counter on Nadier, Agent of the Duskenel. When Nadier leaves the battlefield, create a number of 1/1 green Elf Warrior creature tokens equal to its power. Partner (You can have two commanders if both have partner.)

Choose one. If you control a commander as you cast this spell, you may choose both. • Each opponent sacrifices a creature they control with the greatest power. • Exile all opponents' graveyards, then create X 0/1 black Thrull creature tokens, where X is the greatest power among creature cards exiled this way.

Indestructible As long as your devotion to black is less than five, Erebos isn't a creature. Whenever another creature you control dies, you may pay 2 life. If you do, draw a card. {1}{B}, Sacrifice another creature: Target creature gets -2/-1 until end of turn.

Enchant creature When enchanted creature dies, you gain X life and draw X cards, where X is its toughness.

Whenever a creature you control dies, draw a card. +1: Create a 2/2 black Zombie creature token. −4: Each player sacrifices two creatures. −9: Each opponent chooses a permanent they control of each permanent type and sacrifices the rest.

Flying Whenever a player sacrifices another permanent, put a +1/+1 counter on each creature you control.

Whenever a creature you control dies, you gain 1 life and draw a card.

Enchant creature When enchanted creature dies, that creature's controller may search their library for a creature card, put that card onto the battlefield, then shuffle.

Protean Hydra enters the battlefield with X +1/+1 counters on it. If damage would be dealt to Protean Hydra, prevent that damage and remove that many +1/+1 counters from it. Whenever a +1/+1 counter is removed from Protean Hydra, put two +1/+1 counters on it at the beginning of the next end step.

Whenever a nontoken creature you control dies, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") Whenever you sacrifice a Clue, create a 1/1 white Human Soldier creature token.

Whenever a creature you control with toughness 4 or greater dies, draw a card.

Put a +1/+1 counter on target creature you control if it's legendary. Then it fights target creature an opponent controls. (Each deals damage equal to its power to the other.)

Whenever one or more +1/+1 counters are put on a permanent you control, you may pay {1}. If you do, create a 1/1 colorless Servo artifact creature token. {3}, {T}: Choose a counter on target permanent or player. Give that permanent or player another counter of that kind.

When Avenger of Zendikar enters the battlefield, create a 0/1 green Plant creature token for each land you control. Landfall — Whenever a land enters the battlefield under your control, you may put a +1/+1 counter on each Plant creature you control.

Heroic — Whenever you cast a spell that targets Bloodcrazed Hoplite, put a +1/+1 counter on it. Whenever a +1/+1 counter is put on Bloodcrazed Hoplite, remove a +1/+1 counter from target creature an opponent controls.

Equipped creature gets +2/+2. As long as equipped creature is legendary, it has hexproof. (It can't be the target of spells or abilities your opponents control.) Equip {1}

Clockwork Beetle enters the battlefield with two +1/+1 counters on it. Whenever Clockwork Beetle attacks or blocks, remove a +1/+1 counter from it at end of combat.

Flying Clockwork Condor enters the battlefield with three +1/+1 counters on it. Whenever Clockwork Condor attacks or blocks, remove a +1/+1 counter from it at end of combat.

Flying Clockwork Dragon enters the battlefield with six +1/+1 counters on it. Whenever Clockwork Dragon attacks or blocks, remove a +1/+1 counter from it at end of combat. {3}: Put a +1/+1 counter on Clockwork Dragon.

Clockwork Hydra enters the battlefield with four +1/+1 counters on it. Whenever Clockwork Hydra attacks or blocks, remove a +1/+1 counter from it. If you do, Clockwork Hydra deals 1 damage to any target. {T}: Put a +1/+1 counter on Clockwork Hydra.

Trample Clockwork Vorrac enters the battlefield with four +1/+1 counters on it. Whenever Clockwork Vorrac attacks or blocks, remove a +1/+1 counter from it at end of combat. {T}: Put a +1/+1 counter on Clockwork Vorrac.

Equipped creature gets +3/+3 and has protection from each color that's not in your commander's color identity. Equip commander {3} Equip {5}

At the beginning of your end step, choose one or more — • Put a +1/+1 counter on target creature with a counter on it. • Draw a card if you control an enchanted creature. • Create a 1/1 colorless Spirit creature token if you control an equipped creature.

{B}, {T}, Pay 1 life: Put a +1/+1 counter on Cruel Sadist. {2}{B}, {T}, Remove X +1/+1 counters from Cruel Sadist: It deals X damage to target creature.

Cryptic Trilobite enters the battlefield with X +1/+1 counters on it. Remove a +1/+1 counter from Cryptic Trilobite: Add {C}{C}. Spend this mana only to activate abilities. {1}, {T}: Put a +1/+1 counter on Cryptic Trilobite.

{1}, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead. If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.) Remove two +1/+1 counters from Experiment One: Regenerate Experiment One. (The next time this creature would be destroyed, instead tap it, remove it from combat, and heal all damage on it.)

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Until end of turn, target creature gains "When this creature dies, return it to the battlefield tapped under its owner's control with a +1/+1 counter on it."

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.) {1}{B}, Sacrifice another creature: Put two +1/+1 counters on Flesh Carver. When Flesh Carver dies, create an X/X black Horror creature token, where X is Flesh Carver's power.

Choose two — • Put two +1/+1 counters on up to one creature. It gains lifelink until end of turn. • Destroy each creature with power 2 or less. • Return up to two creature cards from your graveyard to your hand. • Each opponent sacrifices a creature with the highest power among creatures they control.

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters the battlefield with a +1/+1 counter on it.) Sacrifice Gristleback: You gain life equal to Gristleback's power.

Hangarback Walker enters the battlefield with X +1/+1 counters on it. When Hangarback Walker dies, create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on Hangarback Walker. {1}, {T}: Put a +1/+1 counter on Hangarback Walker.

Flying Hexavus enters the battlefield with six +1/+1 counters on it. {1}, Remove a +1/+1 counter from Hexavus: Put a flying counter on another target creature. {1}, Remove a counter from another creature you control: Put a +1/+1 counter on Hexavus.

Jarad, Golgari Lich Lord gets +1/+1 for each creature card in your graveyard. {1}{B}{G}, Sacrifice another creature: Each opponent loses life equal to the sacrificed creature's power. Sacrifice a Swamp and a Forest: Return Jarad from your graveyard to your hand.

{B}{B}{B}, {T}: Destroy target creature. If that creature dies this way, create a black Vampire creature token. Its power is equal to that creature's power and its toughness is equal to that creature's toughness.

Karstoderm enters the battlefield with five +1/+1 counters on it. Whenever an artifact enters the battlefield, remove a +1/+1 counter from Karstoderm.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

{1}{B}{G}: Target creature gets +1/+1 and gains intimidate until end of turn. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.) {2}{B}{G}, Sacrifice a nontoken creature: Create X 1/1 green Saproling creature tokens, where X is the sacrificed creature's toughness.

When Mitotic Slime dies, create two 2/2 green Ooze creature tokens. They have "When this creature dies, create two 1/1 green Ooze creature tokens."

Myojin of Towering Might enters the battlefield with an indestructible counter on it if you cast it from your hand. Remove an indestructible counter from Myojin of Towering Might: Distribute eight +1/+1 counters among any number of target creatures you control. They gain trample until end of turn.

Kicker {3} If Myriad Construct was kicked, it enters the battlefield with a +1/+1 counter on it for each nonbasic land your opponents control. When Myriad Construct becomes the target of a spell, sacrifice it and create a number of 1/1 colorless Construct artifact creature tokens equal to its power.

Noosegraf Mob enters the battlefield with five +1/+1 counters on it. Whenever a player casts a spell, remove a +1/+1 counter from Noosegraf Mob. If you do, create a 2/2 black Zombie creature token.

Oathsworn Knight enters the battlefield with four +1/+1 counters on it. Oathsworn Knight attacks each combat if able. If damage would be dealt to Oathsworn Knight while it has a +1/+1 counter on it, prevent that damage and remove a +1/+1 counter from it.

{1}{G}, Remove one or more +1/+1 counters from among creatures you control: Create an X/X green Ooze creature token, where X is the number of +1/+1 counters removed this way.

Pentavus enters the battlefield with five +1/+1 counters on it. {1}, Remove a +1/+1 counter from Pentavus: Create a 1/1 colorless Pentavite artifact creature token with flying. {1}, Sacrifice a Pentavite: Put a +1/+1 counter on Pentavus.

Trample Phantom Nantuko enters the battlefield with two +1/+1 counters on it. If damage would be dealt to Phantom Nantuko, prevent that damage. Remove a +1/+1 counter from Phantom Nantuko. {T}: Put a +1/+1 counter on Phantom Nantuko.

Choose one — • Put a +1/+1 counter on target creature. • Target creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Destroy all artifacts and enchantments. For each permanent destroyed this way, its controller creates a 3/3 green Centaur creature token.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

{2}: Regenerate equipped creature. (The next time that creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.) At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's black. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

When Rishkar, Peema Renegade enters the battlefield, put a +1/+1 counter on each of up to two target creatures. Each creature you control with a counter on it has "{T}: Add {G}."

As an additional cost to cast this spell, sacrifice a creature. Rite of Consumption deals damage equal to the sacrificed creature's power to target player or planeswalker. You gain life equal to the damage dealt this way.

Whenever a permanent an opponent controls is put into a graveyard from the battlefield, put a +1/+1 counter on Sarulf, Realm Eater. At the beginning of your upkeep, if Sarulf has one or more +1/+1 counters on it, you may remove all of them. If you do, exile each other nonland permanent with mana value less than or equal to the number of counters removed this way.

Whenever you sacrifice a black creature, you may pay 2 life. If you do, each other player sacrifices a creature. Whenever you sacrifice a green creature, you may gain 2 life.

Flying Whenever another creature dies, put two +1/+1 counters on Sengir, the Dark Baron. Whenever another player loses the game, you gain life equal to that player's life total as the turn began. Partner (You can have two commanders if both have partner.)

Enchant creature When Shape of the Wiitigo enters the battlefield, put six +1/+1 counters on enchanted creature. At the beginning of your upkeep, put a +1/+1 counter on enchanted creature if it attacked or blocked since your last upkeep. Otherwise, remove a +1/+1 counter from it.

Draw cards equal to the power of target creature you control.

Spike Feeder enters the battlefield with two +1/+1 counters on it. {2}, Remove a +1/+1 counter from Spike Feeder: Put a +1/+1 counter on target creature. Remove a +1/+1 counter from Spike Feeder: You gain 2 life.

Flying Triskelavus enters the battlefield with three +1/+1 counters on it. {1}, Remove a +1/+1 counter from Triskelavus: Create a 1/1 colorless Triskelavite artifact creature token with flying. It has "Sacrifice this creature: This creature deals 1 damage to any target."

Target creature gains undying until end of turn. (When it dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)