face-up and face-down creatures refers to creatures with the Morph ability, which allowed a select few creatures to go face down and become 2/2 creatures with no abilities
Marnie's Pride (Full Art) #171 Image from TCGPlayer This Full Art trainer card is one of the high rollers of the set, currently worth $89.08
One proposed solution has been to give them the Universes Within treatment (reprint them with in-universe flavor and reskinned names/art)
The Cycle of Sin Final Fantasy X is built around the cycle of Sin, a massive creature that rises to cull civilizations that grow too large or too advancedbut whose slaughter can be paused for a period of Calm years when a Summoner sacrifices themselves in a final battle against Sin to summon a final aeon capable of defeating Sin albeit only temporarily, locking the world in a cycle of destruction
Incubator tokens enter the battlefield with the +1/+1 counters already on them, so if, say, you are controlling your opponents turn, theres no window for you to transform their tokens before the counters are on them
And with the uptick in interest, there is now a thriving market for buying and selling Pokmon cards
