march of the machine jumpstart booster box Magic Gathering: the Each pack has 20 cards March of the Machine -

Gnawing Crescendo Bringing a ton of versatility for just three mana, Gnawing Crescendo can be a relatively cheap instant-speed option for both offense and defense

Normal Deck 8.1 15 [38394] JPC53 Unification of the Cubic Lords Normal Trap Fusion Summon 1 "Cubic" Fusion Monster from your Extra Deck, using monsters from your hand or field as Fusion Materials

Legacy Energy Legacy Energy Legacy Energy Special Energy | ACE SPEC This card acts as 1 energy of any type while attached to a Pokmon

They all do something similar in terms of discounting your cards

Due to its extreme rarity, PSA has even grouped this Ultra Rare variant under the Super Rare population report, making its true scarcity difficult to quantify