Aggression

{2}{R} · Enchantment — Aura

Enchant non-Wall creature Enchanted creature has first strike and trample. At the beginning of the end step of enchanted creature's controller, destroy that creature if it didn't attack this turn.

Motor: se resuelve a mano

Rulings (1)

Moving the enchantment after the ability triggers will not affect which creatures are affected.
Wizards of the Coast · 2006-10-15