Use Coalition Victory: You win the game if you control a land of each basic land type and a creature of each color.
Or show your opponent to the Door (to Nothingness).
Deck Mechanics
The two-card combo of Transguild Courier and Prismatic Omen satisfies the Coalition's win condition.
Fun Effects
Bringers! This deck's access to rainbow mana along with the creature's alternate casting cost ability make these efficient 5/5's with awesome effects.