Phyrexey, the Seeker

+1: Create a 0/1 colorless Ladder artifact equipment token with antireach.
+1: Create a 0/1 colorless Headlamp artifact equipment token with enlighten.
-7: Phyrexey, the Seeker becomes a 2/2 white Human creature that's still a planeswalker. If you control Ladder and Headlamp you win the game.