Enveloper of Planets

Flash, Constellation (Whenever this creature enters
the battlefield, you may search your library for a
creature with constellation but with a different name,
exile it, then shuffle your library. Whenever this
creature dies, you may put any card exiled with this
card into your hand.)
Flying
Whenever Enveloper of Planets enters the battlefield, exile target permanent until
Enveloper of Planets leaves the battlefield.