Natural Selection [Alpha Edition] Rare Set: Commander 2011 Type: Enchantment

Set: Commander 2011 Type: Enchantment Rarity: Uncommon Cost: {1}{G}{W} Whenever a creature enters the battlefield under your control

Set: Mercadian Masques Type: Creature — Spirit Rarity: Rare Cost: {1}{B}{B} At the beginning of your upkeep

Set: Gatecrash Type: Creature — Spirit Rarity: Rare Cost: {3}{B} Extort (Whenever you cast a spell

Set: Mirrodin Type: Artifact Rarity: Rare Cost: {X}{X} Chalice of the Void enters the battlefield with X charge counters on it

Set: Legends Type: World Enchantment Rarity: Rare Cost: {3}{B} Whenever a player casts a spell

Natural Selection [Alpha Edition] Rare Set: Commander 2011 Type: EnchantmentSet: Alpha Edition Type: Instant Rarity: Rare Cost: {G} Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle.