Buster Gundil the Cubic Behemoth

Select 3 "Cubic Seed" monsters you control, stack them on top of each other, and stack this card on top of them to Special Summon this card. This effect can be activated during the Battle Phase. This card gains 1000 original ATK for each monster stacked underneath it. This card can attack three times during each Battle Phase. If this card destroys a monster by battle, you can return this card to the hand to Special Summon the "Cubic Seed" monsters underneath it to your field. You can banish this card from your Graveyard to add 1 “Vijam the Cubic Seed" from your Graveyard to your hand.