Two Wastes can replace them
You can be silly and make a mostly-ramp Codie, Vociferous Codex deck
As an Eldrazi, there are powerful ways to ramp out Spawn-Gang Commander in Modern, with Eldrazi Temple and a card later in this list as potential favorite options
As for the cards inside, McDonalds restaurants in France already received this promotion, and therefore they can tell use whats likely inside this promotion for the US, Austria, and New Zealand, all of whom are getting this promotion: Regarding the list of promo cards in Dragon Discovery, PokBeach goes on to state: The full set list is as follows: #001: Charizard #002: Pikachu (holo) #003: Miraidon (holo) #004: Jigglypuff #005: Hatenna #006: Dragapult #007: Quagsire #008: Koraidon (holo) #009: Umbreon #010: Hydreigon (holo) #011: Roaring Moon (holo) #012: Dragonite (holo) #013: Eevee #014: Rayquaza #015: Drampa (holo) As you can see, of the fifteen possible Pokmon TCG cards you can open in the four-card promotional packs, eight of them are, in fact, Dragon-type Pokmon
Fortunately, CGC has certified more than 260,000 Magic: The Gathering cards, and were happy to share our expertise on the game