pokemon sealed booster pack EX Team Rocket Returns Blastoise And More Pokemon TCG - Choose Your

The lone exception is you play a card that invalidates the legendary rule (I am thinking of Mirror Gallery from Betrayers of Kamigawa)

In this case, it refers to the fact there are Team Plasma-focused Trainer cards which exist exclusively to power up Team Plasma Pokmon

You bring back stuff and then cast your stuff again for ETB effects

People love weird deck-building challenges, and add in the fact that Eventide was the only time Helix Pinnacle was printed, and you have the recipe for a card that is about as far from tournament playable as possible (if you can make 100 mana, there are much easier and more immediate ways to win the game) to cost $52 in foil