Mirrodin assiégé

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

When Viridian Emissary dies, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Destroy target creature with flying. Its controller gets 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.) When Viridian Corrupt...

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

First strike, deathtouch Whenever a creature an opponent controls dies, you may return target artifact card from your graveyard to your hand.

When Viridian Emissary dies, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library.

Target creature gets +1/+1 and gains trample until end of turn.

Trample

Destroy target creature with flying. Its controller gets a poison counter.

Melira's Keepers can't have counters put on it.

Target creature gets +2/+2 until end of turn. Metalcraft — That creature gets +4/+4 until end of turn instead if you control three or more artifacts.

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

Whenever an artifact is put into a graveyard from the battlefield, you may gain 5 life.

Reach (This creature can block creatures with flying.) Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players...

Destroy all artifacts.

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

Return all cards from your graveyard to your hand. Exile Praetor's Counsel. You have no maximum hand size for the rest of the game.

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

Destroy all artifacts.

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

This spell can't be countered. Hexproof (This creature can't be the target of spells or abilities your opponents control.) {1}{G}: Regenerate Thrun...

Return all cards from your graveyard to your hand. Exile Praetor's Counsel. You have no maximum hand size for the rest of the game.