Acadiel, Nap Elemental

Flying, Defender
When this card enters the battlefield, create two blue
Nap tokens with "{t}: Sacrifice Nap token, tap target permanent an opponent controls. Put 1 Sleep counter
on it."
Tap a Nap token: Exile target nonland permanent
you control, then return it to the battlefield at the beginning of your end step.

"Oh, that wasn't a nap at all, was it?"