Magic collectibles, at least the ones that come in packs and are still game pieces, are either the Headliner sort, where they are mega-rare but we dont know precisely how rare, or the serialized, where were told that its a xxx/500, as in the case of Bitterbloom Bearer or Emeritus of Ideation
Along with this powerful ability, Pecharunt ex has an attack that deals 60 damage for each prize card the opponent has taken, making it a great way to close games in which the opponent has been able to keep up in the prize trade
This deck tends to whiff cards sporadically at times, and relies on drawing card in a sequential order in order to pull off unmatched combos
That's already brilliant in decks with flicker/blink or midranges ETB love, like Ravenous Chupacabra or Eternal Witness, but also to save non-tokens about to die to targeted removal and then bring them back later