Only a handful of cards have been printed like this before
Adding powerful morphs not already in the deck support this theme too, with Mischievous Quanar copying a spell from anyone, Broodhatch Nantuko making combat a true surprise for an opponent that attacks you, and Brine Elemental adding the formidable "Pickles Lock" combo (which is using Vesuvan Shapeshifters to keep "unmorphing" Brine Elemental for its ability, which isn't particularly nice for the opponent you're keeping tapped down)
These budget decks are easy to craft using Common Wildcards earned from Boosters, which are a dime a dozen, so it doesn't take long to accrue enough
EX7-013 SR Digimon Lv.6 Alternative Art MagnaKidmon Color Red Cost 12 DP 12000 Digivolve Cost 1 Red 4 from Lv.5 Form Mega Attribute Virus Type Dragonkin/Three Musketeers Card Text 1 [Special Digivolution Condition] [Digivolve] Lv.5 w/[Three Musketeers] in text: Cost 4 [Effect] [On Play] [When Digivolving] You may use 1 [Three Musketeers] trait Option card from your hand without paying the cost
On top of protecting your other Amazons from destruction, she can also do piercing damage and has a floating effect to summon Amazoness Queen upon leaving the field
