Creatures named Lightning Rager can't attack you or planeswalkers you control.
At the beginning of each player's upkeep, that player creates a 5/1 red Elemental creature token named Lightning Rager. It has trample, haste, and "At the beginning of the end step, sacrifice this creature."
Commander Anthology 2018 (CM2)
Illustrated by: Svetlin Velinov
Multiverse ID: 446851