Mecha Jaraxxus

Magnetize 10 - When Mecha Jaraxxus enters the battlefield reveal cards from the top of your library until
you discover a Mech with converted mana cost ten or greater. You may have it become a enchantment artifact and magnetize to target Mech, it gains all keywords and stats. Or have it enter as a creature.

{4}{b}{b}: Sacrifice a Mech, you may return target Mech from your graveyard to your hand.

You merely adopted oblivion. I WAS BORN IN IT!