The Lost Caverns of Ixalan Commander

Mimic Vat

Imprint — Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with Mimic Vat to its owner's graveyard.
{3}, {T}: Create a token that's a copy of a card exiled with Mimic Vat. It gains haste. Exile it at the beginning of the next end step.

New Capenna Commander

Commander 2020

The List

Commander 2019

Commander 2018

Scars of Mirrodin

Imprint — Whenever a nontoken creature is put into a graveyard from the battlefield, you may exile that card. If you do, return each other card exiled with Mimic Vat to its owner's graveyard.
{3}, {T}: Put a token onto the battlefield that's a copy of the exiled card. It gains haste. Exile it at the beginning of the next end step.