Mirrodin Besieged

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

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 ...

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.) When Viridian Corrupt...

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)

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

Gain control of target artifact until end of turn. Untap that artifact. It gains haste until end of turn.

Whenever a source deals damage to Nested Ghoul, create a 2/2 black Phyrexian Zombie creature token.

Put target creature card from an opponent's graveyard onto the battlefield under your control. It gains haste. Exile it at the beginning of the nex...

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

When Pierce Strider enters the battlefield, target opponent loses 3 life.

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

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

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

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

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

Gain control of target artifact until end of turn. Untap that artifact. It gains haste until end of turn.

Sacrifice Gore Vassal: Put a -1/-1 counter on target creature. Then if that creature's toughness is 1 or greater, regenerate it.

When Kuldotha Flamefiend enters the battlefield, you may sacrifice an artifact. If you do, Kuldotha Flamefiend deals 4 damage divided as you choose...

Exile two target artifacts.

Whenever a source deals damage to Nested Ghoul, create a 2/2 black Zombie creature token.

Put target creature card from an opponent's graveyard onto the battlefield under your control. It gains haste. Exile it at the beginning of the nex...

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...