Number 7: Lucky Straight

3 Level 7 monsters
You can detach 1 Xyz Material from this card; roll a six-sided die twice and this card's ATK becomes the larger number rolled x 700 until your opponent's next End Phase, then if the total roll was exactly 7, apply 1 of these effects.
●Send all other cards on the field to the Graveyard.
●Special Summon 1 monster from your hand or from either Graveyard.
●Draw 3 cards, then discard 2 cards.