Boommobile [Aetherdrift Prerelease Promos]

Set: Aetherdrift Prerelease Promos Type: Artifact — Vehicle Rarity: Rare Cost: {2}{R}{R} When this Vehicle enters, add four mana of any one color. Spend this mana only to activate abilities.Exhaust — X2R: This Vehicle deals X damage to any target. Put a +1/+1 counter on this Vehicle. (Activate each exhaust ability only once.)Crew 2