It introduces Catcher , sure, but the rest is mostly generic fifth-gen Pokmon and unimpressive Trainers
2 Pick your win condition Decide how you actually win: combat damage, a combo loop, a value engine that snowballs into a win, or an alternate win condition
G2 I lead off with a Cabal Therapy naming Counterspell and miss, but I see three Islands, Force Spike, Standstill, Phyrexian Dreadnought (!), and Vision Charm
But it's not just popularity that matters
Poliwhirl Mega Rising #296 Card Type Pokmon Element Water Stage Stage 1 HP 90 Weakness Lightning Retreat Cost 2 Evolves From Poliwag Pokmon Poliwhirl Artist Knuckle Punch 40 Flavor Text Staring at the swirl on its belly causes drowsiness
Of course, that gets stupid with cards like Necropotence or Griselbrand which allow for big life payments, and coupled with a card like Exsanguinate, you can recoup your life loss or even outright win