The Last Bastion

{t}: Add {w} or {c} to your mana pool.

At the beginning of each upkeep you may pay {4}. If you do, you get a 2/2 black and white artifact creature token named "Magitech Trooper" with "Magitech Trooper gains
+1/+1 for each other creature named
Magitech Trooper on the battlefield".