mschf mtg cards Magic: The Gathering TCG: Secret Lair x MSCHF is a Brooklyn Peelable card - MTG Wiki

Finally, how does all that figure into the mana cost

Serialized Doctor cards are localized in English only and are available in Magic: The Gathering Doctor Who Collector Boosters of any language

You're not listing these individually anywhere

Smellerbee, Rebel Fighter Smellerbee, Rebel Fighter accelerates aggro decks with substantial card draw

Bastion Protector keeps Sigarda alive, and Riders of Gavony can make your team unblockable in many scenarios

Yunas gifts as a summoner allow her to both summon creatures, make them stronger, and send Spirits to their rest in the Farplane , all of which is reflected in the mechanics of her card