pokemon tcg sword and shield lost origin booster box Pack As the boundary between dimensions tears apart Sword & Shield: Lost Origin

Despite being Plane-locked to Kamigawa, and therefore only receiving new additions in a handful of expansions, the Samurai type has a solid base of creatures to work with

As the quote above confirms, they were never intended, or able, to transform once in play

Promo Info BOOSTER BLAST ACE [BT-14] CLOSECLOSE BT14-020 SR Digimon Lv.3 Gomamon Color Blue Form Rookie Attribute Vaccine Type Sea Beast DP 1000 Cost 3 Digivolve Cost 1 0 from Lv.2 Digivolve Cost 2 - Upper Text [Start of Your Main Phase] Trash any 1 digivolution card of 1 of your opponent's Digimon

This artifact deals damage equal to the number of nonland cards revealed this way to any target