pokemon cards charizard tin Pokémon Trading Card Game: Mega Y : Target you can choose the raging blue flames of Mega Charizard X ex or the aerial agility of Mega Charizard Y ex Pokemon Platinum - 2009 Collectors

You don't have to run them in dedicated discard decks, they have value on their own

By the next set, Planar Chaos , there were already variations on this idea, and by Future Sight , the end of the Time Spiral block, you could see all kinds of Echo costs: red creatues could require you to pay black mana, cheap creatures to cast could end up being expensive later on, and Echo could even be something completely different than mana: Echo Discard a card. The possibilities that this little change opened up were incredible, and the Time Spiral block saw some really interesting Echo designs because of it

Its probably okay at seven, but might still be pretty scary

However, $4 feels about right since she wont be good in every deck with access to Green and White