It tracks your progress across every set and instantly highlights which cards you still need to finish it
"10 Years of Competitive Pokmon TCG: The Beginning"
While its symmetrical effect is typically seen as a downside compared to Doubling Season, you should instead use its presence on the field to your political advantage: Dont remove me from the game, youre getting value off of my Primal Vigor, Wait, I can cast Primal Vigor next turn and we can swing in with all those Tempt with Vengeance tokens, etc
Best Leviathan Payoffs Your best leviathan payoffs are also your best sea creature payoffs, especially those that call out KLOS creatures (krakens, leviathans, octopuses, and serpents)
If I get another gold card over the weekend though, my first response will be to go sprinting towards the local casino, life savings in hand