You may spend mana as though it were mana of any color to activate abilities of creatures you control. Creatures you control with +1/+1 counters on them have all activated abilities of all creature cards exiled with Agatha's Soul Cauldron. {T}: Exile target card from a graveyard. When a creature card is exiled this way, put a +1/+1 counter on target creature you control.

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

{T}: Choose any number of target creatures. Each of those creatures gains persist 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.)

When Contagion Clasp enters the battlefield, put a -1/-1 counter on target creature. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When Contagion Engine enters the battlefield, put a -1/-1 counter on each creature target player controls. {4}, {T}: Proliferate, then proliferate again. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)

Glistening Sphere enters the battlefield tapped. When Glistening Sphere enters the battlefield, proliferate. {T}: Add one mana of any color. Corrupted — {T}: Add three mana of any one color. Activate only if an opponent has three or more poison counters.

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

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Equipped creature gets +1/+1 for each counter on it. Equipped permanent isn't a planeswalker and is a creature in addition to its other types. (Loyalty abilities can still be activated.) Equip planeswalker {1} Equip {3}

Serrated Arrows enters the battlefield with three arrowhead counters on it. At the beginning of your upkeep, if there are no arrowhead counters on Serrated Arrows, sacrifice it. {T}, Remove an arrowhead counter from Serrated Arrows: Put a -1/-1 counter on target creature.

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

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

{T}, Pay 1 life: Destroy target permanent you own. {T}, Pay 2 life: Add one mana of any color. {T}, Pay 3 life: Proliferate. {T}, Pay 4 life: Draw a card. {5}: Untap Staff of Compleation.

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

{T}: Add {C}. {T}: Add {B} or {G}. Talisman of Resilience deals 1 damage to you.

Whenever a creature you control leaves the battlefield, if it had counters on it, put those counters on The Ozolith. At the beginning of combat on your turn, if The Ozolith has counters on it, you may move all counters from The Ozolith onto target creature.

Equipped creature has "{T}: This creature deals 1 damage to any target." Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)

Trample Agent Frank Horrigan has indestructible as long as it attacked this turn. Whenever Agent Frank Horrigan enters the battlefield or attacks, proliferate twice. (To proliferate, choose any number of permanents and/or players, then give each another counter of each kind already there.)

When Banewhip Punisher enters the battlefield, you may put a -1/-1 counter on target creature. {B}, Sacrifice Banewhip Punisher: Destroy target creature that has a -1/-1 counter on it.

Trample Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Whenever Bloated Contaminator deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Whenever Blood Artist or another creature dies, target player loses 1 life and you gain 1 life.

At the beginning of your end step, you may sacrifice an artifact, creature, enchantment, land, or planeswalker. If you do, each opponent may sacrifice a permanent that shares a card type with it. For each opponent who doesn't, that player loses 2 life and you draw a card.

{1}, Sacrifice Cankerbloom: Choose one — • Destroy target artifact. • Destroy target enchantment. • Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying Carnifex Demon enters the battlefield with two -1/-1 counters on it. {B}, Remove a -1/-1 counter from Carnifex Demon: Put a -1/-1 counter on each other creature.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.) If one or more tokens would be created under your control, those tokens plus that many 1/1 green Squirrel creature tokens are created instead. {B}, Sacrifice X Squirrels: Target creature gets +X/-X until end of turn.

Deathtouch At the beginning of your upkeep, if your opponents control no permanents with bounty counters on them, put a bounty counter on target creature or planeswalker an opponent controls. Whenever a permanent an opponent controls with a bounty counter on it dies, you gain 3 life and draw a card.

Black creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.)

Other black creatures you control get +1/+1. Other green creatures you control get +1/+1. At the beginning of your upkeep, you may create a 1/1 black and green Worm creature token.

When Decimator Beetle enters the battlefield, put a -1/-1 counter on target creature you control. Whenever Decimator Beetle attacks, remove a -1/-1 counter from target creature you control and put a -1/-1 counter on up to one target creature defending player controls.

If a creature dying causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time. {B/P}{B/P}, Exile three creature cards from your graveyard: Put an indestructible counter on Drivnod, Carnage Dominus. ({B/P} can be paid with either {B} or 2 life.)

Whenever Dusk Urchins attacks or blocks, put a -1/-1 counter on it. When Dusk Urchins dies, draw a card for each -1/-1 counter on it.

When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.

Landfall — Whenever a land enters the battlefield under your control, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{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.

When Festering Mummy dies, you may put a -1/-1 counter on target creature.

Sacrifice Fume Spitter: Put a -1/-1 counter on target creature.

When Generous Patron enters the battlefield, support 2. (Put a +1/+1 counter on each of up to two other target creatures.) Whenever you put one or more counters on a creature you don't control, draw a card.

First strike, deathtouch Whenever Glissa Sunslayer deals combat damage to a player, choose one — • You draw a card and you lose 1 life. • Destroy target enchantment. • Remove up to three counters from target permanent.

Grim Poppet enters the battlefield with three -1/-1 counters on it. Remove a -1/-1 counter from Grim Poppet: Put a -1/-1 counter on another target creature.

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.

Whenever Hapatra, Vizier of Poisons deals combat damage to a player, you may put a -1/-1 counter on target creature. Whenever you put one or more -1/-1 counters on a creature, create a 1/1 green Snake creature token with deathtouch.

At the beginning of your upkeep, put a -1/-1 counter on each creature.

When Honest Rutstein enters the battlefield, return target creature card from your graveyard to your hand. Creature spells you cast cost {1} less to cast.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) When Ichor Rats enters the battlefield, each player gets a poison counter.

Tokens you control have "{T}: Add {G}." Choose a Background (You can have a Background as a second commander.)

Vigilance Lily Bowen, Raging Grandma enters the battlefield with two +1/+1 counters on it. At the beginning of your upkeep, double the number of +1/+1 counters on Lily Bowen if its power is 16 or less. Otherwise, remove all but one +1/+1 counter from it, then you gain 1 life for each +1/+1 counter removed this way.

Menace Creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.) Whenever a creature an opponent controls dies, if its toughness was less than 1, draw a card.

Whenever another creature you control dies, you get an experience counter. At the beginning of your end step, choose target creature card in your graveyard. If that card's mana value is less than or equal to the number of experience counters you have, return it to the battlefield. Otherwise, put it into your hand.

Wither (This deals damage to creatures in the form of -1/-1 counters.) At the beginning of your upkeep, put a -1/-1 counter on each nonblack creature.

Flying Whenever you create or sacrifice a token, each opponent loses 1 life.

Whenever one or more other creatures die, draw a card. This ability triggers only once each turn.

Wither (This deals damage to creatures in the form of -1/-1 counters.) Whenever a creature an opponent controls with a -1/-1 counter on it dies, you may return that card to the battlefield under your control.

Partner with Yannik, Scavenging Sentinel (When this creature enters the battlefield, target player may put Yannik into their hand from their library, then shuffle.) Menace Whenever another creature you control leaves the battlefield, if it had one or more counters on it, you draw a card and you lose 1 life.

Noxious Hatchling enters the battlefield with four -1/-1 counters on it. Wither (This deals damage to creatures in the form of -1/-1 counters.) Whenever you cast a black spell, remove a -1/-1 counter from Noxious Hatchling. Whenever you cast a green spell, remove a -1/-1 counter from Noxious Hatchling.

Reach Whenever Obelisk Spider deals combat damage to a creature, put a -1/-1 counter on that creature. Whenever you put one or more -1/-1 counters on a creature, each opponent loses 1 life and you gain 1 life.

Attacking creatures you control have deathtouch. Whenever a creature you control deals combat damage to a player, draw a card.

Whenever another creature you control dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Reach (This creature can block creatures with flying.) Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Whenever another creature dies, each opponent loses 1 life.

{B/G}, Remove a -1/-1 counter from a creature you control: Quillspike gets +3/+3 until end of turn.

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Other tapped creatures you control have deathtouch. Other untapped creatures you control have hexproof. {1}, {T}: Untap another target creature or land you control.

When Skinrender enters the battlefield, put three -1/-1 counters on target creature.

Haste Whenever Skullbriar, the Walking Grave deals combat damage to a player, put a +1/+1 counter on it. Counters remain on Skullbriar as it moves to any zone other than a player's hand or library.

When Soulstinger enters the battlefield, put two -1/-1 counters on target creature you control. When Soulstinger dies, you may put a -1/-1 counter on target creature for each -1/-1 counter on Soulstinger.

Whenever Spitting Dilophosaurus enters the battlefield or attacks, put a -1/-1 counter on up to one target creature. Creatures your opponents control with -1/-1 counters on them can't block.

This spell can't be countered. Indestructible Toski, Bearer of Secrets attacks each combat if able. Whenever a creature you control deals combat damage to a player, draw a card.

{1}{G}, {T}: Target creature you control fights another target creature.

{T}: Until end of turn, target creature has base power 1 or base toughness 1.

Deathtouch Whenever a nontoken creature an opponent controls dies, you may pay {1}. If you do, return that card to the battlefield tapped under your control. It's a Treasure artifact with "{T}, Sacrifice this artifact: Add one mana of any color," and it loses all other card types.

Wickerbough Elder enters the battlefield with a -1/-1 counter on it. {G}, Remove a -1/-1 counter from Wickerbough Elder: Destroy target artifact or enchantment.

If one or more counters would be put on an artifact or creature you control, that many plus one of each of those kinds of counters are put on that permanent instead. If you would get one or more counters, you get that many plus one of each of those kinds of counters instead.

Haste Whenever a creature an opponent controls dies, put a +1/+1 counter on Yahenni, Undying Partisan. Sacrifice another creature: Yahenni gains indestructible until end of turn.

Protection from Humans Pay 1 life, Sacrifice another creature: Put a -1/-1 counter on up to one target creature and draw a card. {B}{B}, Discard a card: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Whenever a creature you control attacks, you may put a quest counter on Beastmaster Ascension. As long as Beastmaster Ascension has seven or more quest counters on it, creatures you control get +5/+5.

Whenever a creature dies, put a charge counter on Black Market. At the beginning of your precombat main phase, add {B} for each charge counter on Black Market.

Whenever a creature dies, if it had a -1/-1 counter on it, put a -1/-1 counter on target creature.

At the beginning of your upkeep, destroy target creature with a -1/-1 counter on it.

Morbid — At the beginning of each end step, if a creature died this turn, you may draw a card.

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.

You may look at the top card of your library any time. You may cast creature spells from the top of your library. Creatures you control have "{T}: Add one mana of any color."

Whenever a -1/-1 counter is put on a creature, you may create a 1/1 green Elf Warrior creature token.

Enchant creature Enchanted creature has infect. At the beginning of your upkeep, put a -1/-1 counter on enchanted creature. When Glistening Oil is put into a graveyard from the battlefield, return Glistening Oil to its owner's hand.

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

Whenever you put one or more -1/-1 counters on a creature, create that many 1/1 black Insect creature tokens.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

Destroy target nonland permanent. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

As an additional cost to cast this spell, sacrifice a creature. Draw two cards.

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."

Put a -1/-1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Target creature you control gains hexproof until end of turn. Remove all -1/-1 counters from it. (A creature with hexproof can't be the target of spells or abilities your opponents control.)

Target creature you control deals damage equal to its power to target creature you don't control. Each opponent gets a poison counter.

({G/P} can be paid with either {G} or 2 life.) Put target card from a graveyard on top of its owner's library.

Put three -1/-1 counters on target creature with flying. Cycling {2} ({2}, Discard this card: Draw a card.)

Target creature gets +1/+0 and gains infect until end of turn. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

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."

As an additional cost to cast this spell, sacrifice a creature. Draw two cards.

Put a -1/-1 counter on target creature. When that creature dies this turn, its controller gets a poison counter.

Each opponent sacrifices a creature or planeswalker and gets a poison counter.

({T}: Add {G}.)

Choose target creature. Roll X six-sided dice. For each even result, put two -1/-1 counters on that creature. For each odd result, create a 1/2 blue Bird creature token with flying named Storm Crow.

Put X -1/-1 counters on each creature. Shuffle Black Sun's Zenith into its owner's library.

Put a +1/+1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Target creature gets -4/-4 until end of turn. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Put a -1/-1 counter on target creature, two -1/-1 counters on another target creature, and three -1/-1 counters on a third target creature.

You draw two cards and you lose 2 life. Each opponent gets a poison counter.

Put a -1/-1 counter on each creature you don't control. You may search your library and/or graveyard for a card named Liliana, Death Wielder, reveal it, and put it into your hand. If you search your library this way, shuffle.

You draw two cards and you lose 2 life.

Return target nonlegendary creature card from your graveyard to the battlefield with a -1/-1 counter on it.

Each opponent gets a poison counter. Then each creature your opponents control gets -1/-1 until end of turn for each poison counter its controller has.

Scry 2, then draw two cards. You lose 2 life.

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its mana value.

Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) Target creature you control fights up to one target creature you don't control.

Choose one — • Search your library for a basic land card, reveal it, put it into your hand, then shuffle. • Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Return target permanent card from your graveyard to your hand. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)