Fusion Summon 1 Level 8 or lower Fusion Monster from your Extra Deck, except "Lubellion the Searing Dragon", by shuffling Fusion Materials mentioned on it into the Deck, from your monsters on the field, GY, and/or face-up banished cards
One quick thing to clarify, as many people have been confused about it ever since Gluntch was revealed: you must choose three different players, but you can choose yourself for one of those three
This is what Commander uses to decide whether a card fits your commanders colours
Skimming through my Avatar: The Last Airbender cards, I realized that many of the ally creatures double as warriors
Other than the Quick-Play Spell cards and the Mask Charge Normal Spell, Masked HEROs don't have any additional specific Spell support, and they have no specific Trap card support either, typically using generic HERO support cards instead, as they work well enough
it gains 500 ATK/DEF