Amphysvena

Gear {I}(Whenever this vehicle attacks, put a gear counter on it. It gets +1/+0 for each gear counter.){/I} When this Vehicle attacks, you may choose 1 or more. For each choice beyond the first, remove a gear counter. • Until end of turn, whenever an opponent’s creature receives damage, its owner sacrifices it. • Amphysvena gains double strike until end of turn. • You may pay {U}{B}. If you do, creatures your opponents control get -4/-0 until your next upkeep. Crew 4