mewtwo pokemon card 151 052 SV Promo Case Psychic Rarity Mewtwo Pokemon 151 Master Ball

This ability is very similar to cascade in the sense that both let you cast spells for free, with the difference is that the mana value of the cascade card determines what you can cast, and discover X is based on the value of X printed on the discover card

Your most valuable Charizards travel safe

Mega Gardevoir ex 187/132 (Hyper Mega Rare) Just like its gold-finished Mega Lucario counterpart, this painfully elusive Mega Gardevoir ex is sitting at around a $500 market price, with some listings even reaching $1200 right now as well

Being able to wait until the last moment keeps opponents guessing and lets you pivot based on what the table is doing

In that case, the copy effect wears off as the token leaves the battlefield