Chimera the Flying Mythical Beast + 1+ Illusion monsters
This card s name becomes Chimera the Flying Mythical Beast while on the field or in the GY. This card can attack monsters a number of times each Battle Phase, up to the number of materials used for it. If this card battles a monster, neither can be destroyed by that battle. At the end of the Damage Step, if this card battled an opponent s monster: You can change that opponent s monster s ATK to 0, also negate its effects.