Standard trading card size what most penny sleeves, perfect fit sleeves, and toploaders are cut for, including everything on our shelves at Weevil Cards & Collectibles
You might want to write your rules in the Pokmon style to add realism to your game
especially because fans have invented their own games with these series
Tovolar, Dire Overlord // Tovolar, the Midnight Scourge will help you draw cards when you deal combat damage and has a Nightbound ability like that of Kessig Wolf Run
BT6-026 C Digimon Lv.5 Dragomon Color Blue Cost 6 DP 7000 Digivolve Cost 1 Blue 3 from Lv.4 Form Ultimate Attribute Virus Type Aquabeast Card Text 1 [Effect] [When Digivolving] Return 1 of your opponent's level 4 or lower Digimon with no digivolution cards to its owner's hand
Such an overwhelming majority of the best decks were blue, why not maindeck Red Elemental Blast