To be honest, you might be better off running Iron Man in the 99 of a Captain America deck, simply because Cap also cares about equipment with high mana costs, cheats equip costs, and crucially adds white to your color identity
Well, for starters, brush up on the rules
Its easy to summon, easy to abuse, and existed in a format that wasnt very pretty to play unless you were specifically playing a Dragon Ruler deck
These cards combine to form an infinite mana loop that also creates infinite Thopter tokens, and it just so happens Breya's abilities let you filter mana into damage, life gain, or board removal as needed
Qebehsenuef, Protection of Horus X EARTH Level 8 [ Winged BeastEffect ] ATK 2500 DEF 2000 If you control "King's Sarcophagus", you can Special Summon this card (from your GY)
Its a striking and fierce collectible