Magneto

When no player is Earth, reveal Magneto. All Villains win the game.
Flip this card face up at any time. When you do,
choose one of the following;
•Gain control of any number of artifacts with
total converted mana cost of 5 or less.
•Search your library for any number of artifacts
with total converted mana cost of 5 or less
Put those cards onto the battlefield.