Counterbalance
Enchantment — {U}{U}
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.
Rarity: uncommon
EDHREC rank: 3365
Enchantment — {U}{U}
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.
Rarity: uncommon
EDHREC rank: 3365