Kaervek the Merciless
{5}{B}{R}
Legendary Creature — Human Shaman
Oracle Text
Whenever an opponent casts a spell, Kaervek deals damage equal to that spell's mana value to any target.
Watch Out
Cast trigger fires even if counteredWatch Out
This triggers when the spell is cast, before it resolves. Even if the spell is countered, the cast trigger still resolves. Copies of spells are not cast, so they won't trigger this.