{R} Mimic Vat (Borderless) [The Lost Caverns of Ixalan Commander][LCC 115]

Imprint — Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with this artifact to its owner's graveyard.
{3}, : Create a token that's a copy of a card exiled with this artifact. It gains haste. Exile it at the beginning of the next end step.