DanDanDio, the Professional

Lone (At the beginning of your end step, exile this creature, then return it to the battlefield under the control of the player chosen at random.)
At the beginning of your upkeep, you may pay {x}. If you do, destroy another target creature with power X or less if its controller has 3 or more life than each other player.
"You're welcome."
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https://mtgcardsmith.com/user/DanDanDio