White Diamond Battleship

Flying, Indestructible

At the beginning of your end step, if you control
Blue Diamond Battleship and Yellow Diamond
Battleship, you may exile them and White Diamond
Battleship. If you do, create Diamond Mech, a
legendary 15/15 white, blue and red artifact vehicle
with flying, indestructible, hexproof, protection from
instants and crew 6.

Crew 4