Stock keeps changing so theres always a reason to come back
Kraum, Ludevics Opus A flying threat that punishes spell-heavy tables while generating steady card advantage
More than anything, these moments seem to be self-perpetuating, where everyone gets tremendously excited about one particular card, which creates demand, which raises the price, which exaggerates the rarity, which creates demand The next most expensive right now is the Latias ex at almost $200, then the gold card version of the Pikachu ex at $100, and that Hydreigon pictured above at about $95
If you're worried about losing a somewhat more vulnerable source for doubling your tokens, don't worry
Youre not casting a spell but activating an ability, Amphin Mutineer is not entering from the graveyard so neither of these cards will stop you