Faerie Mastermind World Champion Yuta Takahashi helped design this card, and the Commander format adopted it en masse along with a good showing in other decks
To justify that sort of mana cost, there need to be one of two things: a cost-reduction or a solid effect stapled to it
For collectors who value provenance, event exclusivity, and historical significance over raw aesthetics, Misty's Seadra Prerelease is one of the most compelling cards in either Gym set, and its position near the top of the value chart reflects the premium that the vintage market places on cards with unique origins and limited distribution
Honorable Mentions Though these didnt make the cut, these are cards which made the meta more interesting the list includes Jamming Tower, Secret Box, Binding Mochi, Briar, and Legacy Energy
If the Time Travel card is more expensive but provides value for the deck, then the deck would be able to make up for the tempo loss that comes from Suspending a card