Mirrodin Besieged

Imprint — When Knowledge Pool enters the battlefield, each player exiles the top three cards of their library. Whenever a player casts a spell from...

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

{2}{B}: Dross Ripper gets +1/+1 until end of turn.

{4}, {T}: Target opponent loses 2 life, gets a poison counter, then mills six cards.

Indestructible Equipped creature has indestructible. Equip {2}

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...

Equipped creature gets +2/+2 and can't block. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

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

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

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