Number 58: Burner Visor

2 Level 4 monsters Once per turn, you can either: Target 1 face-up Xyz Monster you control; equip this card to that target, OR: Unequip this card and Special Summon it in Attack Position. The equipped monster can attack your opponent directly. When the equipped monster inflicts battle damage to your opponent: You can discard 1 card; inflict 500 damage to your opponent.

Pyro FIRE XYZ Monster 4 xyz