It's not entirely unlike the hideaway mechanic with some obvious differences
How to Build a Pokemon TCG Tournament Deck: Step-by-Step Step 1 Identify Your Win Condition First Before you pick a single card, ask yourself: "How does this deck win?" That might sound obvious, but many beginners choose their favourite Pokemon and then try to build a deck around it rather than choosing a win condition and then finding the Pokemon that executes it best
Sand Strangler: Cool, I like the Desert theme
[48] [49] [18] Black represents power, death, corruption, and sacrifice, drawing mana from swamps
For instance, Pinkie Pie rewards you with treasure when you play a card with a smile in the artwork, while Applejack lets you use toys as creature tokens, giving you extra abilities if they have wings or horns
The main reason the card was banned was that it provided zero opportunity cost and became a must-play option, something both formats sought to eliminate