If youre looking for ideas, a good place to start is a Lost Box deck looking at some of the best cards from the Lost Origin set should get your gears turning
This series introduced V, VMAX, and VSTAR cards with a heavy focus on cards surrounding these types of cards, which will be retired at the end of Crown Zenith and no longer be produced
When this card is summoned while their is a Rank 5 or higher Xyz monster: Remove all Overlay units on the field
While this seems unbelievably nefarious, let me refer you to some of the problems with Android: Netrunner - in a competitive game, the problem of defining an interesting and fair subset of the card space so that players dont have to simply buy every card in existence is significant (this is also why Magic: The Gatherings draft format is so popular: it solves a core problem with the game by simply having that subset defined in-situ for a single play session) However, in this co-operative game, theres fun to be had with whatever cards you have on hand, so long as youve got at least one campaign
This big dino boy also has Trample, Haste and Toxic 4, meaning an opponent can be almost halfway dead (through normal damage and Poison counters) with one swing
Black received some superb lander generation this set, as did White & Red, mostly in the form of the colorless enablers