كيميرا الحارس

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