Mirrodin assiégé

{2}{U}, {T}: Put a -1/-1 counter on target creature. You may tap or untap that creature.

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.)

Look at the top five cards of your library. You may reveal any number of creature cards from among them and put the revealed cards into your hand. ...

When Treasure Mage enters the battlefield, you may search your library for an artifact card with mana value 6 or greater, reveal it, put it into yo...

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

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}.

Equipped creature gets +1/+1 and is an artifact in addition to its other types. Equip {2}

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) Signal Pest can't be blocked except by cre...

When Leonin Relic-Warder enters the battlefield, you may exile target artifact or enchantment. When Leonin Relic-Warder leaves the battlefield, re...

Cri de guerre (À chaque fois que cette créature attaque, chaque autre créature attaquante gagne +1/+0 jusqu'à la fin du tour.)

Enchant creature You control enchanted creature. Enchanted creature has infect. (It deals damage to creatures in the form of -1/-1 counters and to ...

Destroy target nonartifact creature.

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped cre...

Equipped creature gets +1/+0 and has first strike. Equip {1}

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) Signal Pest can't be blocked except by cr...

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

When Piston Sledge enters the battlefield, attach it to target creature you control. Equipped creature gets +3/+1. Equip—Sacrifice an artifact.

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

{T}: Attach target Equipment you control to target creature you control.

Metalcraft — Spiraling Duelist has double strike as long as you control three or more artifacts.

Vigilance Kemba's Legion can block an additional creature each combat for each Equipment attached to Kemba's Legion.

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