Affinity-Combo DeckMostly Colorless, Artifact Creatures can be played quick and some even free, with plenty of ramp; just get 20 artifacts out and
Hellkite Tyrant! Or Use
Metallurgic Summonings,
Blinkmoth Infusion, and
Darksteel Forge to create an indestructible 14/14 Artifact Creature to destroy your opponent.