More Than Meets the Eye
Double strike, haste
At the beginning of each opponent's upkeep you may have that player gain control of Slicer until end of turn. If you do, untap Slicer, goad it, and it can't be sacrificed this turn. If you don't, convert it.
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Living Metal
(As long as it's your turn, the Vehicle is also a creature.)
First strike, haste
Whenever Slicer deals combat damage to a player, convert it at end of combat.