Dragonlord Kolaghan
Dragons of Tarkir — mythic
Legendary Creature — Elder Dragon
Dragonlord Kolaghan rulings:
2015-02-25: Casting a spell face down won’t cause Dragonlord Kolaghan’s last ability to trigger. A spell with no name can’t have the same name as any other card.
2015-02-25: If an opponent casts a creature spell with delve and exiles all cards from their graveyard with the same name to help pay its cost, Dragonlord Kolaghan’s ability won’t trigger.