Aether Barrier [Nemesis]

Set Name:	Nemesis
Rarity, #:	Rare, 27
Card Type:	Enchantment
P / T:	1 / 1
Description:	Whenever a player casts a creature spell, that player sacrifices a permanent unless they pay .
Flavor Text:	"Creatures fade in and out of existence. It's an unfortunate side effect. The losses are tolerable." —Belbe