Leyline Tyrant [Tarkir: Dragonstorm Commander]

Set: Tarkir: Dragonstorm Commander Type: Creature — Dragon Rarity: Mythic Cost: {2}{R}{R} FlyingYou don't lose unspent red mana as steps and phases end.When this creature dies, you may pay any amount of {R}. When you do, it deals that much damage to any target.