Memory Erosion [Shards of Alara] Magic 2015 As Overgrown Tomb enters the

As Overgrown Tomb enters the battlefield

put one of those cards on top of your library and the rest on the bottom of your library in any order

destroy Cosmic Horror unless you pay {3}{B}{B}{B}

Whenever you cast a creature spell

Creatures destroyed this way can't be regenerated

Memory Erosion [Shards of Alara] Magic 2015 As Overgrown Tomb enters theSet: Shards of Alara Type: Enchantment Rarity: Rare Cost: {1}{U}{U} Whenever an opponent casts a spell, that player mills two cards. "The Filigree Texts do not compel you to act in accordance with their precepts. They only specify the consequences should you fail." Lodus of the Ethersworn