AEther Barrier

Art: 
Nemesis
David Martin
Set: 
Nemesis
Color: 
Blue
Mana Cost: 
{2}
CMC: 
3
Power: 
Toughness: 
Loyalty: 
0
Ability: 
Whenever a player casts a creature spell, that player sacrifices a permanent unless he or she pays {1}.
Flavor Text: 
Type: 
Enchantment
Rarity: 
Rare