Gaiarmor Dragonshell

1 Tuner + 1+ non-Tuner monsters
You can Tribute this card, then target 3 other Synchro Monsters in your GY; return them to the Extra Deck. You can target 1 of your monsters Special Summoned from the Extra Deck; equip this card from your GY to that target. When a monster equipped with this card declares an attack: You can draw 1 card. You can only use each effect of "Gaiarmor Dragonshell" once per turn.