Skullbriar, the Walking Grave (Launch) (Oversized) [Commander 2011 Oversized]Set: Commander 2011 Oversized Type: Legendary Creature Zombie Elemental Rarity: Rare Cost: {B}{G} Haste Whenever Skullbriar, the Walking Grave deals combat damage to a player, put a +1 +1 counter on it. Counters remain on Skullbriar as it moves to any zone other than a player's hand or library.

Metalcraft — Artifacts you control have shroud as long as you control three or more artifacts

Whenever Fathom Fleet Captain attacks

Golems you control have first strike

the Awoken World

Set: Mirrodin Besieged Prerelease Promos Type: Legendary Creature — Phyrexian Zombie Elf Rarity: Mythic Cost: {B}{G}{G} First strike

Set: Commander 2011 Type: Legendary Creature — Elf Rogue Rarity: Rare Cost: {1}{G}{U} Whenever a creature deals combat damage to one of your opponents

search your library for up to three Plains cards

Set: Guilds of Ravnica Prerelease Promos Type: Instant Rarity: Rare Cost: {B}{G} Destroy target permanent an opponent controls

Many sigils

create a 5/5 green Wurm creature token

It's so infinite that its flavor text says

Set: Return to Ravnica Type: Artifact Rarity: Rare Cost: {3} Lands you control have "{T}: Add one mana of any color