Blue-Eyes Tyrant Dragon (BACH-EN037)

"Blue-Eyes White Dragon" + 1 Dragon monster

Must first be either Fusion Summoned, or Special Summoned from your Extra Deck by Tributing 1 "Blue-Eyes White Dragon" equipped with a Fusion Monster. Unaffected by Trap Cards or effects. This card can attack all monsters your opponent controls, once each. Once per turn, at the end of the Damage Step, if this card battled: You can target 1 Trap in your GY; Set it to your Spell & Trap Zone.

Dragon / Fusion / Effect, Battle of Chaos