otk you opponent with the following instructions: Normal summon Gren Maju Da Eisa, use star blast to reduce Gren Maju Da Eisa's level by 2, use left arm offering to search out scapegoat, play scapegoat to summon four tokens, use 3 of those tokens to xyz summon Baby Tiragon, use Baby Tiragon's effect to allow Gren Maju Da Eisa to attack your opponent directly. (you can use scapegoat before left-arm offering instead and search out star blast or just play both from hand if you have both of them)
You can easily banish 20 cards to make Gren Maju Da Eisa have 8000 attack due to the deck being built around banishing a ton of cards.