Rancor

{G} · Enchantment — Aura

Enchant creature Enchanted creature gets +2/+0 and has trample. When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.

Motor: se resuelve a mano

Rulings (1)

If the creature this Aura would enchant is an illegal target by the time Rancor tries to resolve, the Aura spell doesn't resolve. It won't enter the battlefield, so it won't be put into a graveyard from the battlefield and its ability won't trigger.
Wizards of the Coast · 2018-03-16