Monk of the Open Hand
{W}
Creature — Elf Monk
Oracle Text
Flurry of Blows — Whenever you cast your second spell each turn, put a +1/+1 counter on this creature.
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.