I still recommend, if given the choice, that you decide to go first, because having the constant threat of Number 81 is much better for you long term than going for an instant going second OTK
I have never gone back since
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
If you are planning to sell some of your Yu-Gi-Ohs or just looking for an upgrade, it is the best time