The Argo 2

When The Argo 2 enters the battlefield, search for X Demigods from your library and put them into your hand. Shuffle your library afterwards.
Flying
Crew 7
When The Argo 2 attacks, you may put a Demigod from your hand onto the battlefield tapped and attacking.
When The Argo 2 dies, create a 10/10 Artifact Dragon token with flying.
{3}{r}{r}{t}: Sacrifice The Argo 2. Destroy target creature without flying.