More Than Meets the Eye 
Whenever Prowl attacks exile up to one other target tapped creature or Vehicle. For as long as that card remains exiled, its owner may play it.
Whenever a player plays a card exiled with Prowl, you draw a card and convert Prowl.
Living Metal
(As long as it's your turn, the Vehicle is also a creature.)
Whenever another creature or Vehicle enteers the battlefield under your control, put a +1/+1 counter on Prowl. If this is the second time this ability has resolved this turn, convert Prowl.
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