Jeff Maze

Jeff Maze's Power & Toughness are equal to the
number of Gamers in play or players, whichever
is higher.
Other Gamer creatures you control get +1/+1.
As long as you control an artifact, Jeff Maze gets
+2/+2, and if it's a vehicle, then Jeff Maze
also gains Plainswalk.
If Jeff Maze crews a vehicle, it gets Jeff Maze's abilities as well.