Mentaxae, Arbiter of the Gods

Lifelink, Vigilance, Trample
Heroic - Whenever you cast a spell that targets Mentaxe, if that spell was an Aura spell, for each creature you control, create a token copy of that
Aura and attach it to those creatures. Exile those
tokens at the end of your turn.
When Mentaxe leaves the battlefield, you may
return all Auras attached to it to your hand.