and One Pieces cards were playable cards with relatively high price tags
Rare but enough main force
Then, if [HippoGryphonmon] is in this Digimon's digivolution cards, this Digimon may digivolve into [Murmukusmon] in the hand for a digivolution cost of 2, ignoring its digivolution requirements
Effects don't activate from breeding areas, so this Digimon isn't treated as green, and you can't digivolve it into a Digimon that requires a green level 4 Digimon
As far as lower-rarity cards, the big winners are Reclamation Sage and Reliquary Tower (at $10 and $8, respectively), followed by several just-above-bulk cards in the $2 range
It also benefits you to kill off your opponent's commanders, with the deck's face Sauron, Lord of the Rings letting you be tempted by the Ring every time one of them dies