Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.) Whenever an opponent casts a spell, put a -1/-1 counter on this creature. Whenever this creature deals combat damage to a player, remove all -1/-1 counters from it.

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

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

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

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

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

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.

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.

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.

Reach Whenever this creature 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.

At the beginning of each opponent's upkeep, they lose 1 life and you put a -1/-1 counter on up to one target creature they control. Persist (When this creature 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 Soul Snuffers enters, put a -1/-1 counter on each creature.

Whenever this creature enters 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 creature enters with a -1/-1 counter on it. {G}, Remove a -1/-1 counter from this creature: Destroy target artifact or enchantment.

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

Fabricate 1 (When this creature enters, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.) Whenever another creature or artifact you control is put into a graveyard from the battlefield, each opponent loses 1 life.

You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.

Allies — At the beginning of your end step, put a +1/+1 counter on each of up to two other target legendary creatures. Betrayal — Whenever a legendary creature with counters on it dies, draw a card for each counter on it. You lose 2 life.

When this creature enters, 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.

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

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

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

Other Snake creatures you control get +2/+2. Whenever a Snake you control deals combat damage to a player, you may draw a card.

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

Indestructible When The One Ring enters, if you cast it, you gain protection from everything until your next turn. At the beginning of your upkeep, you lose 1 life for each burden counter on The One Ring. {T}: Put a burden counter on The One Ring, then draw a card for each burden counter on The One Ring.

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

{T}: Add {C}. {3}, {T}: Target creature with power 3 or less can't be blocked this turn.

This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}.

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

You may have this land enter tapped as a copy of any land card in a graveyard, except it's a Cave in addition to its other types. {T}: Add {C}.

({T}: Add {G}.)

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {B} or {G}.

{T}: Add {C}. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

This land enters tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

This land enters tapped. When this land enters, exile up to three target cards from graveyards. {T}: Add {C}. {T}: Add one mana of any of the exiled cards' colors.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

{T}: Add {B}. {B}, {T}: Target legendary creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

This land enters tapped unless a player has 13 or less life. {T}: Add {B} or {G}.

({T}: Add {B}.)

{T}: Add {C}. {T}: Add {B} or {G}. Activate only if you control a Swamp.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {B} or {G}.

The Shire enters tapped unless you control a legendary creature. {T}: Add {G}. {1}{G}, {T}, Tap an untapped creature you control: Create a Food token.

Deathtouch Whenever a creature you control with deathtouch deals combat damage to a player, put that many +1/+1 counters on that creature. Disguise {B}{G} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.)

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

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Whenever a creature you control with deathtouch deals combat damage to a player, that player gets two poison counters. (A player with ten or more poison counters loses the game.)

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

When this creature enters, put three -1/-1 counters on target creature you control. {T}, Remove a -1/-1 counter from this creature: Add one mana of any color.

Destroy each nonland permanent with mana value 2 or less. Add {B} or {G} for each permanent destroyed this way.

{T}: Add {G}. Put a -1/-1 counter on this creature: Untap this creature.

{T}: Add {B}. This creature deals 1 damage to you.

{T}: Add {G}.

Vigilance Creatures you control have "{T}: Add one mana of any color." When Enduring Vitality dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)

Creature tokens you control have "{T}: Add one mana of any color." Whenever one or more creature cards leave your graveyard, create a 0/1 green Plant creature token, then put a +1/+1 counter on each Plant you control.

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

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

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

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

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

Freerunning {1}{B} (You may cast this spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.) Return target creature card from your graveyard to the battlefield.

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.)

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

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

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

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

Flying Whenever this creature or another creature you control dies, each opponent sacrifices a creature of their choice.

{1}, Sacrifice this creature: 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.)

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.

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

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.