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Try adding Starmie ex and Staryu in place of Eevee and Vaporeon if you want a more aggro/early game focus, for example, instead of energy control
If someone brings in a collection of hundreds upon hundreds of cards, they wont have time to sort through every single card to determine value
Some provide a modest quantity of rounds with low wagering thresholds, while others supply a bigger batch that comes with higher playthrough
Its excellent in WB sacrifice decks where you recover the sacrificed fodder, in decks that have +1/+1 counter synergies, or if you're just getting a couple Elvish Mystics back
Traditionally, this rarity distribution structure meant most packs had a fairly linear rarity curve