Dragon king Thordan

When Dragon-king Thordan enters the battlefield, 5 damage is dealt to all creatures your opponent controls. Chose one a turn: Exaflare’s edge: deal 7 damage to 3 target creatures. Akh Morn’s edge: Dragon-king Thordan has to be blocked with 3 or more creatures. Gigaflares edge: all creatures your opponent controls are dealt 3 damage. “Thus did a dreadful new divinity arise-one endowed with the nigh-irrepressible life force of two great wyrms...” The Wandering Minstrel