Stet, Draconic Proofreader
Legendary Creature — Dragon Bureaucrat4/4$0.21
Flying Whenever Stet attacks, you may exile a card from your graveyard. When you do, Stet deals 4 damage to any target whose name begins with the same letter as the exiled card. : Delete the first letter of target permanent or player's name until end of turn.
Not legal in Commander