Battle position can be changed manually once per turn for each monster, during your Main Phase
The game features more than 450 Digimon to collect, train and battle according to official Bandai Namco sources
Supreme King Dragon Darkwurm X DARK Level 4 [ Dragon / PendulumEffect ] ATK 1800 DEF 1200 P Scale 5 Once per turn, if you control no monsters: You can place 1 "Supreme King Gate" Pendulum Monster from your Deck in your Pendulum Zone, also you cannot Pendulum Summon monsters for the rest of this turn, except DARK monsters
The other kind just wants to see which busted creature reigns supreme, like kaiju toppling cities while battling for dominance
After you get more experience, you can try "splashing" for a color, which is where you play just one or two cards of a third color in your deck
Although once worth more than that iconic card from Evolving Skies, today its worth about half as much as the Moonbreon