Lloyd, Barkeep

Whenever you tap a creature that you control outside of your combat phase, you may put a stun counter on it. If you do, until your next turn, it gains exalted and {2}: regenerate this creature.

Untap all creatures you control that are crewing a vehicle or mounted at the end of your turn.
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Bartender! I need a round of Oily Oafs - icecold and foamy!