NEO era and the 3rd gen and EX eras are definitely the most expensive boxes in English after 1st ed base and Skyridge
They are perhaps the most important tool for being reliably unfair, but there are several tutor variants in the Cube with various restrictions and drawbacks
you cannot Special Summon from the Extra Deck for the rest of this turn, also reveal 3 monsters with 800, or 2400 or more, ATK/1000 DEF from your Deck, your opponent chooses 1 for you to add to your hand, also send the rest to the GY
Chalice on zero prevents the suspend cards from being cascaded into, which is often the goal for Modern cascade decks
Waste Not and Bone Miser are likely includes in the deck, but if they somehow leave those out, buy them immediately
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