while the original strategy focused on mana denial, the term has grown to encompass any effect that slows your opponents development
So you can potentially see unhealthy combos like that arising again with things like Shiftry (NXD 72/99) from Next Destinies, or Vileplume from Ancient Origins, or Exeggutor (PLF 5/116) from Plasma Freeze, which are all just incredible Grass-type Pokemon that are held back by the fact that they're Stage 1 or Stage 2, which is a good way to cripple a card -- or to balance a card, I should say -- to give it a really strong ability, but you make it a Stage 1 or Stage 2, and it's slower
This one has a beautiful sparkling light blue background that makes the golden Magikarp pop even more
Additionally, the box contains a players guide to the expansion, 6 damage-counter dice, a competition-legal coin-flip die, a collectors box with 6 dividers, and a code card for the Pokmon Trading Card Game Live