Mirrodin Besieged

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

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

{2}{B}: This creature gets +1/+1 until end of turn.

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.) Lifelink (Damage deal...

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...

At the beginning of your upkeep, you may look at the top card of your library. You may cast it without paying its mana cost if it's an instant or s...

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

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

Sacrifice an artifact: This creature gains trample until end of turn.

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

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

{U}: This creature gains flying until end of turn.

Flying, haste {1}{R}: This creature gets +X/+0 until end of turn, where X is the number of artifacts you control.

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

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

Vigilance This creature can block an additional creature each combat for each Equipment attached to this creature.

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

When this creature enters, you may sacrifice an artifact. If you do, this creature deals 4 damage divided as you choose among any number of targets.

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

When this creature enters, you may exile target artifact or enchantment. When this creature leaves the battlefield, return the exiled card to the b...

Flying

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