Meklord Astro Dragon Triskelion (LED7-EN016) - Legendary Duelists: Rage of Ra 1st Edition

Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by banishing 3 "Meklord" monsters with different names from your GY. Once per turn, when this card declares an attack: You can look at your opponent's Extra Deck and equip 1 monster from it to this card. This card gains ATK equal to the combined ATK of those equipped monsters. While equipped with a Synchro Monster, this card can make up to 3 attacks on monsters during each Battle Phase.