The red Gyarados was the perfect addition to generation two: It served as an implicit explanation of shiny Pokemon, which were a new feature in the mainline Pokemon games, while also giving players a special, powerful monster to add to their team
One Piece TCG Guide How to play the One Piece card game
(I also love that artwork too!) Oh, and this was true of the first Portal set as well as many strong cards from it were reprinted almost immediately, like Gravedigger, Thundermare, Alabaster Dragon, Raging Goblin, or Natural Spring as well as draft standards like Mind Rot, Volcanic Hammer, or Breath of Life which was a cheaper version of Resurrection in White, and then others that were reprinted here and there later, like the afore-mentioned Ebon Dragon, or Endless Cockroaches and Gift of Estates
they won't resort to cheating in duels, but have no problems using whatever trick in the book to turn the tides in their favor
In War of the Spark, Nissa might as well be a statue
Most recently, following this summer's Modern Horizons 3 set, Energy is back in the competitive limelight as a tier one archetype in Modern