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

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) When this creature dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Trample Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Whenever this creature 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.)

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.)

Vanishing 2 (This creature enters with two time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.) Whenever a player casts their second spell each turn, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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.)

Whenever you cast a noncreature spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Whenever you cast a spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying, first strike Whenever a commander you control enters or attacks, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Whenever another creature you control enters, you may pay {2}. If you do, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying If you would proliferate, proliferate twice instead. {1}{U/P}{U/P}, Remove three counters from among other artifacts, creatures, and planeswalkers you control: Put an indestructible counter on Tekuthal. ({U/P} can be paid with either {U} or 2 life.)

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

Flying Whenever this creature 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.)

When Ezuri enters, you may pay {3}. If you do, proliferate twice. Whenever you proliferate, draw a card.

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

This artifact enters with X charge counters on it. {T}: Choose a color. Add one mana of that color for each charge counter on this artifact.

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.) This artifact enters with a charge counter on it for each time it was kicked. {T}: Add {C} for each charge counter on this artifact.

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

Devoid (This card has no color.) When you cast this spell, remove all counters from up to one target permanent or opponent. The next spell you cast this turn costs {1} less to cast for each counter removed this way. Deathtouch

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) {T}, Pay 2 life: Add one mana of any color.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) {T}: Add {C}.

Deathtouch Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) This creature can't be blocked.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

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

Deathtouch Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

Flying Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

Menace Toxic 2 (Players dealt combat damage by this creature also get two poison counters.)

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) Whenever a creature you control becomes the target of a spell, target opponent gets a poison counter.

Flying Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) {3}{U}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Menace, toxic 1 (Players dealt combat damage by this creature also get a poison counter.) When Vishgraz enters, create three 1/1 colorless Phyrexian Mite artifact creature tokens with toxic 1 and "This token can't block." Vishgraz gets +1/+1 for each poison counter your opponents have.

{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.)

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

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.