Time Elemental

{2}{U} · Creature — Elemental

When this creature attacks or blocks, at end of combat, sacrifice it and it deals 5 damage to you. {2}{U}{U}, {T}: Return target permanent that isn't enchanted to its owner's hand.

Motor: se resuelve a mano

Rulings (3)

If Time Elemental attacks or blocks, but you no longer control it at end of combat, you can’t sacrifice it. However, it will still deal 5 damage to you.
Wizards of the Coast · 2007-09-16
A “permanent that isn’t enchanted” is a permanent with no Auras on it.
Wizards of the Coast · 2005-08-01
You both sacrifice it and deal the 5 damage at end of combat.
Wizards of the Coast · 2004-10-04