Gameplay in CCG is typically turn-based, with each player starting with a shuffled deck, then drawing and playing cards in turn to achieve a win condition before their opponent, often by scoring points or reducing their opponent's hit points
Trading in Pokmon TCG Pocket has been a known feature since the apps announcement back in Feb
It might seem a bit overpriced, but with the right spell or ability, it can turn something small into a huge swing
This is stronger in Type Four with infinite mana, but just one spell per turn, since the bounce will set them back one full turn and the Edict will kill their other creature and get around hexproof and indestructible
Neither continuity nor the idea of worldbuilding (creating distinctive and unique worlds and settings) would become issues until some time later
The transformed side leaves a lot to be desired as well