Gigarays Gandora the Dragon of Destruction

[ Dragon / Effect ] Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by sending 2 other monsters from your hand and/or field to the GY. Gains 300 ATK for each banished card. Once per turn: You can pay half your LP; apply 1 of these effects, depending on the number of "Gandora" monsters with different names in your GY. ● 1: Destroy all other cards on the field. ● 2: Banish all other cards on the field. ● 3+: Banish all other cards on the field and in the GYs. ATK/ 0 DEF/ 0