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

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.)

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

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

This artifact enters tapped. {1}, {T}: Destroy all artifacts, creatures, and enchantments.

This artifact enters with three arrowhead counters on it. At the beginning of your upkeep, if there are no arrowhead counters on this artifact, sacrifice it. {T}, Remove an arrowhead counter from this artifact: 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}. {T}: Add {B} or {G}. This artifact deals 1 damage to you.

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.

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

{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.)

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 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.

{T}: Target player discards a card. Activate only during your turn. Put a -1/-1 counter on this creature: Untap this creature.

When this creature enters, put two -1/-1 counters on target creature you control. Whenever you put one or more -1/-1 counters on this creature, remove a -1/-1 counter from another target creature you control.

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

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

When this creature enters, you may return target card from your graveyard to your hand.

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.)

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.)

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.

Deathtouch Whenever a creature you control with deathtouch attacks, each opponent loses 1 life and you gain 1 life. Whenever a creature you control with deathtouch deals damage to a planeswalker, destroy that planeswalker.

Whenever another green creature you control enters, put a +1/+1 counter on target creature.

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

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.

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}, Sacrifice a creature: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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

When Soul Snuffers enters, put a -1/-1 counter on each creature.

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

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 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.

Creatures you control have "{T}: Add one mana of any color."

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

Tap an untapped creature you control: Untap target basic land.

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

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.

At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.

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

Choose one — • All creatures get -1/-1 until end of turn. • Destroy target enchantment. • Regenerate each creature you control.

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.)

Destroy target artifact or creature. It can't be regenerated.

This land enters tapped unless you control two or fewer other lands. {T}: Add {B} or {G}.

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

{2}, {T}: Add {B} for each Swamp you control.

{T}: Add {C}. {3}, {T}: Add {B} for each basic Swamp you control.

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

This land enters tapped unless you control two or more other lands. {T}: Add {B} or {G}.

({T}: Add {G}.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {B}{G}.

({T}: Add {B} or {G}.) This land enters tapped.

{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.

{T}: Add {C}. {1}, {T}: Move a counter from target permanent you control onto another target permanent. Activate only as a sorcery.

This land enters tapped. {T}: Add {G}. {T}: Put a +1/+1 counter on each green creature that entered this turn.

({T}: Add {B} or {G}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

You have no maximum hand size. {T}: Add {C}.

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

({T}: Add {B}.)

Each land is a Swamp in addition to its other land types.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.

This land enters tapped unless you control a Swamp or a Forest. {T}: Add {B} or {G}.

({T}: Add {B} or {G}.) This land enters tapped.

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

As an additional cost to cast this spell, put a -1/-1 counter on a creature you control. Destroy target creature.

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

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

Draw a card for each creature you control. Ferocious — You gain 4 life for each creature you control with power 4 or greater.

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.