The Speed Demon [Aetherdrift]

Set: Aetherdrift Type: Legendary Creature — Demon Rarity: Mythic Cost: {3}{B}{B} Flying, trampleStart your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.)At the beginning of your end step, you draw X cards and lose X life, where X is your speed. Caution is for those who falter.