Counterbalance:
Whenever an opponent plays a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same converted mana cost as the revealed card.
Number: 31
Rarity: U
Type: Enchantment
Mana cost: UU
Color: Blue
Artist: John Zeleznik
Mana Costs: W=White B=Black; G=Green; R=Red; U=Blue
