Usually it comes down to whoever can utilize an especially potent action at the right time such as the Dragon Fire action that banishes one character on the spot to give them the momentum they need to win the game
Speaking of which, more card draw from Welcoming Vampire is much appreciated
In general, Pokmon cards in a set are broken down into three broad rarity types: Common Uncommon Rare The rarity of a card is denoted at the bottom of the card, besides the card ID: You can see on the bottom left that there is a black circle beside 001/172
Special Summon from your Extra Deck, 1 monster with the same Type and Attribute as that monster you control but 2 Ranks higher, by using it as material
Equip your creatures with Cloud, Midgar Mercenary, and strike fast with Lightning, Army of One while Tifa Lockhart and G'Raha Tia, Scion Reborn make your hits strike home