Familiarise yourself with the feel, weight, and print style of real cards
Wall of Roots is usually better in this regard but it can't attack which reduces the total number of synergies it has and having redundancy in those kind of cards is nice too
How does this ability function
Umbreon ex (112/161, 193/161, & 208/161) Stats: Stage: Stage 1 (evolves from Eevee, a Basic Pokmon) HP: 140 Energy: Darkness Attack Power: 80 Special Ability: Once per turn, Umbreon can forcibly swap an enemy Pokmon with damage on it from the bench to the active spot Retreat Cost: 2 Energy 2 Espeon ex (083/161, 190/161, & 205/161) Can Heal Once Per Turn Found in the Lugia Variant of Wisdom of Sea and Sky Espeon ex, like Umbreon ex, doesn't take a lot of investment to set up, but deals decent damage and has a special effect that's worth building a deck around
You can't even trade promo cards yet, so no groveling to your annoying friend who manages to pack six of those Pawmot