japanese digimon cards Card Game New Hero Booster Box [BT-08] : Toys & Games Evolve your collection with Digimon cards Old Digimon Cards: Digimon Adventure

Any time you have priority during a main phase of your turn and the stack is empty, you may pay the mana cost of a locked door (also called its "unlock cost")

It's unknown how many of these cards were actually printed, but it's rare to see them go up for sale as an actual Game Freak employee would have to be willing to sell the party gift

A Special Booster Pack to Commemorate the 3rd Anniversary

Preventing a strong opponent's monster from doing anything and being able to take control of it under certain conditions

Instead of one creature becoming another creature, we tied the connection to a creature type (it was Lorwyn after all)

Simple stuff