Others are just good, and thats what this two or three mana 2/1 flier is in Spined Thopter
Most Water Pokemon cards focus on getting more resources on the field and denying your opponents to build their board like with the Misty Trainer Card giving you a ton of Water Energy or Gyarados removing Energy from the opponent
In that case, the plan is to fill the board with damage thanks to Double Gunner, then in one turn, KO Jirachi with Double Gunner and/or Radiant Alakazam, then Manaphy with Yoga Loop, and then use G-Max Rapid Flow
Rarity is shown by a symbol at the bottom of the card: circle means common, diamond means uncommon, and star means rare
If youre just interested in buying singles, I would consider buying whatever high-end cards you want earlier in the sets life cycle, if not now
It has a CMC of five but is reduced by three mana of any color when that player controls a Giant