Wonky Quartet

[ Beast / Xyz / Effect ] 2+ Level 4 monsters Unaffected by other cards' effects. If this card is Xyz Summoned, also once per turn during your Standby Phase: Attach the top 3 cards of your Deck to this card as material, then apply the following effect based on the number of monsters attached to this card. ● 4 or less: Give control of this card to your opponent. ● 5 or more: Take 400 damage for each material this card has, and if you do, destroy all monsters you control. ATK/ 0 DEF/ 2600