Must first be Fusion Summoned using only monsters in your hand and field as material (min. 1 from each). You can only use the 1st effect of card’s name once per turn.
(1) If this card is Fusion Summoned by a Spell effect: You can draw cards equal to the number of monsters used as material from the hand, and if you do, destroy cards your opponent controls equal to the number of monsters used as material from the field.
(2) Your opponent cannot target this card with card effects while you have “Polymerization” in your GY.