march of the machine aftermath booster box Amazon.com: Magic: Gathering The Machine: The Bundle: Epilogue Edition with a combination of 1–3 card(s) of rarity Rare or higher and 2–4 Uncommon cards 2X March of the Machine:

A lot of current MDFCs have lands on the back, which makes transforming them fairly low-impact at best

C Common PSE Prismatic Secret Rare King of the Swamp X WATER Level 3 [ AquaEffect ] ATK 500 DEF 1100 This card in your hand, field, or GY can be used as a substitute for any 1 Fusion Material whose name is mentioned on the Fusion Monster Card, but the other materials must be correct

SR Super Rare Red Nova Dragon X DARK Level 12 [ DragonSynchroEffect ] ATK 3500 DEF 3000 2 Tuners + "Red Dragon Archfiend" Gains 500 ATK for each Tuner in your GY

Esper Origins / Summon: Esper Maduin Esper Origins fits well into graveyard-based decks

The only way to obtain these promos is to attend a Pro Tour Qualifier at MagicCon: Las Vegas

Certainly not me, in any case