Rite of the Raging Storm

Rituel de l'orage en furie (Rite of the Raging Storm) (fr)

Enchantment (CMC 5)
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."