mtg 100 card sleeves Classic Back Standard Deck Protector (100ct) for Magic: The Gathering Best Combo For Excellent Shuffling Acid Dragon Shield Standard Size Card

If this card is in your GY: You can Special Summon this card, then you can attach 1 "Goblin" monster from your GY to it as material

Spell Normal If your opponent controls a monster(s) Special Summoned from the Extra Deck and you do not: Choose 4 "Number" Xyz Monsters from your Extra Deck with different Ranks, plus a 5th "Number" Xyz Monster whose "Number" value in its name equals the combined "Number" values of the 4 other monsters, Special Summon that 5th "Number" monster (this is treated as an Xyz Summon), and attach the 4 chosen monsters to it as material, but you cannot Special Summon monsters, except "Number" Xyz Monsters, while you control that face-up monster

This can be activated as many times per turn as long as there are counters available, so combo the effect of the "B.E.S." monster "B.E.S

It has a powerful removal called Deck Bounce, but it needs a trigger and is useless against monsters

Excavated cards still count as being in the deck until they are sent somewhere else by the effect of the card