Counterbalance is a special Enchantment card from Magic: The Gathering (Amonkhet Invocations, MP2).
Special
Amonkhet Invocations (MP2)
{U}{U}
Mana Value
2
Colors
U
Card Text
Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same mana value as the revealed card.
