Mirrodin Besieged

Choose one — • Counter target artifact spell. • Return target artifact to its owner's hand.

Enchant creature Enchanted creature has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison co...

{T}: Add {C}. {1}: Inkmoth Nexus becomes a 1/1 Blinkmoth artifact creature with flying and infect until end of turn. It's still a land. (It deals d...

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...

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

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...

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...

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

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...

Counter target spell, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When Ichor Wellspring enters the battlefield or is put into a graveyard from the battlefield, draw a card.

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

Defender Metalcraft — As long as you control three or more artifacts, Spire Serpent gets +2/+2 and can attack as though it didn't have defender.

At the beginning of your upkeep, you may have Cryptoplasm become a copy of another target creature, except it has this ability.

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

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

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

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...

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

Flying Whenever you cast an artifact spell, you may untap target creature.

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

Put a -1/-1 counter on target creature. When that creature dies this turn, its controller gets a poison counter.

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