Description Gengar (#94) is a mischievous Ghost and Poison-type Pokmon known for its shadowy grin and playful pranks
Better yet, Future Sight effects actually let you play from the top of your library, serving as a form of card advantage, though usually with stipulations
There is support for both sides, like Professor Sadas Vitality [Paradox Rift] that can accelerate Energy to your Ancient Pokemon, and Techno Radar [Paradox Rift] that can search your deck for Future Pokemon
That said, aside from the 20 cards here, there are 46 other cards in the set that are over $20
The Pokmon Card Game White Flare Deluxe Booster Box (Japanese Edition) is the premium edition of the White Flare expansion
And when its Link Summoned you can summon a LVL3 or lower Tuner from your deck