Destined Rivals single card market is already booming post-release (May 30), but chasing down Team Rocket's Mewtwo ex SIR or Ethan's Ho-Oh ex SIR will likely take a lot more than a few sealed boosters
It still may not seem like much: The ability tries to transform the clone, but since it can't (because it's not a double-faced card), it just does nothing
The Manga Rare Law has a pull rate of approximately 0.55% meaning you would need to open roughly 183 boxes (over 15 cases) to expect one
As Tibalt enters, you get an emblem with "You may play cards exiled with Tibalt, Cosmic Impostor, and you may spend mana as though it were mana of any color to cast those spells." +2: Exile the top card of each player's library
As theyre so widely available, and each card is a reprint of one previously issued, they tend to be extremely cheap and easy to collect
Buy when you can afford the card you want