red gyarados pokemon card 123/123 Heart Gold and Soul Silver Near Mint this piece serves as a premier focal point for any high Gyarados Red Card Fan Art

Choose either a Pokmon Tool card or Stadium card in play (yours or your opponent's) and put it in the Lost Zone

Along with reprinted Planechase cards, March of the Machine introduces new Planechase cards that expand the planes players can travel to

IIRC in Yugioh there is only a certain number of Blue-Eyes (from the show?), so you could put a rule on the card 'there may only be X Blue-Eyes on the battlefield at any time', Star Wars CCG used to have permanents that you could have 2 or 3 copies of in play, in addition to stuff you could only have 1 of, the concept would work fine here too, only this could care about both players' boards

Its the very definition of flexibility, and, perhaps more importantly, look at that art