Blightcaster
{3}{B}
Creature — Human Wizard
Oracle Text
Whenever you cast an enchantment spell, you may have target creature get -2/-2 until end of turn.
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.