detach all Xyz Materials from the opponent's monster, and if you do, attach this card to your monster as an Xyz Material
Typically extremely rare cards with appealing illustrations, Pokmon-ex would inevitably become some of the most sought-after cards of their respective sets and, therefore, among the most expensive, if not the outright
While the entire base set is iconic, some cards really separate themselves from the rest either due to nostalgia or simple rarity
Whenever you cast a spell, if the amount of mana spent to cast that spell is greater than Liberator, Urza's Battlethopter's power, put a +1/+1 counter on Liberator
It's fine if a card can double its own counters, but they have to be able to double something else to make this list