Nim Shambler [Mirrodin] Dinosaur Avatar and all of Yavimaya is

and all of Yavimaya is its flower

Set: Secret Lair Drop Series Type: Land Rarity: Rare Nomad Outpost enters the battlefield tapped

Set: The List Type: Creature — Spirit Rarity: Rare Cost: {2}{U}{U} At the beginning of each player's upkeep

You create a 2/2 black Zombie creature token for each creature sacrificed this way

When that mana is spent to cast a creature spell that shares a creature type with your commander

Nim Shambler [Mirrodin] Dinosaur Avatar and all of Yavimaya isSet: Mirrodin Type: Creature Zombie Rarity: Uncommon Cost: {2}{B}{B} Nim Shambler gets +1 +0 for each artifact you control. Sacrifice a creature: Regenerate Nim Shambler. Called "the Dross" by its inhabitants, Mephidross is home to the nim, Mirrodin's mindless, ravenous undead.