Elon Musk, Ruler of Tesla

: When Elon Musk, Ruler of Telsa enters the battlefield, exile creatures in target opponent's graveyard equal to Elon Musk's converted mana cost.
+1: Create a 3/3 Tesla token with haste, vigilance, and double strike.
-3: Put a space counter on a tesla token. If a tesla has 3 or more space counters on it, all teslas have flying.