Mirrodin Besieged

Attacking creatures get +1/+0 and gain first strike until end of turn.

Return up to two target nonland permanents to their owners' hands.

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

Destroy target creature with flying. Its controller gets a poison counter.

When this Equipment enters, attach it to target creature you control. Equipped creature gets +3/+1. Equip—Sacrifice an artifact.

When this creature enters, target opponent loses 3 life.

When this creature enters, you draw a card and you lose 1 life.

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

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

First strike, protection from red and from white Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in th...

When this creature enters, you gain 3 life.

When this creature dies, you may draw a card.

Shroud (This creature can't be the target of spells or abilities.) Whenever this creature deals combat damage to a player, you may draw a card.

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

When this creature dies, create a 1/1 colorless Phyrexian Myr artifact creature token.

Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped creature gets +0/+1 ...

Return up to two target creature cards from your graveyard to your hand.

Look at the top seven cards of your library. You may put one of those cards onto the battlefield if it has the same name as a permanent. Put the re...

Whenever another nontoken artifact you control enters, you may pay {2}. If you do, create a token that's a copy of that artifact.

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

Target creature gets +2/+2 until end of turn. Metalcraft — That creature gets +4/+4 until end of turn instead if you control three or more artifacts.

Double strike, protection from black and from green