Mob Goblin

Command- When this creature enters or if you choose this creature as your commander choose this creature color(s). ( This Creature enters as the chosen colors, including commander identity )

When Mob Goblin Enter create X 1/1 Goblin

{t} Create X 1/1 Goblins where X is Mob Goblins power

Mob Goblins Power is Equal to the number of Goblin you control