all breakthrough pokemon cards Mewtwo EX 164/162 - 2015 XY—BREAKthrough | Trading Card Game

That's the entire point of the card, figuring out what it does

This makes for a fundamentally riskier style of gameplay, as getting a rough starting draw (a gamble alleviated somewhat by the fact that the rules allow a redraw attempt) can make it difficult to get off the ground

Why does everyone want a piece of Prismatic Evolutions

You may play them

The idea of increasing its Jet Cyclone attack to a total of 260 damage output is a very, very enticing notion

the former earn you coins you can then use on boosters, while the latter can be used to create or clone cards to fill a deck rather than chancing it with booster packs