Fusion Summon 1 Fusion Monster from your Extra Deck that lists a "Cyber Dragon" monster as material, by shuffling the Fusion Materials listed on it into the Deck, from among your cards on the field and/or your face-up banished cards, but monsters you control cannot attack for the rest of this turn, except that Fusion Summoned monster. You can only activate 1 "Cyberload Fusion" per turn.
