Japanese Pokemon cards sort into two broad groups: regular-set rarities (C, U, R, RR) that make up the bulk of a pack, and chase rarities (AR, SR, SAR, UR, MUR) that sit at the back of the checklist and drive secondary-market prices
This allows you to use Aetherflux Reservoir as a wincon
For newer players, what that means is that if you tap a Forest for a mana you can get another Green mana, but if you tap something like a Watery Grave for a Blue mana, you can also get one Black mana for free
Catch them at the bottom
Illustrator: Kazuma Koda Dunsparce #144 Dunsparce (1-Diamond, Common rarity) is the #144/241 card from the Wisdom of Sea and Sky set in Pokmon TCG Pocket
Card Set(s) ST15-20 Release Event CARD VIEW ST06-006 | C | CHARACTER Tashigi Attribute Slash Block icon 1 Effect [Activate: Main] You may rest this Character: Give up to 1 of your opponent's Characters 2 cost during this turn