The first installment, Illumineer's Quest: Deep Trouble , launched alongside the fourth set, "Ursula's Return "
In all but the most green of Commander decks, it's a given that you've got two or three mana rocks floating around by the time you have , and dedicated artifact strategies have counts an order of magnitude beyond that
(Check with your local game store for how to participate with in-store Murders at Karlov Manor events.) Plus, as alluded to elsewhere (and a tip for sleuths out there), the Murders at Karlov Manor Bundle is a product that also contains clues for one of the 13 puzzles in the RavnicaDetectiveAgency.com event
Slot 12 is a land with a decent chance of being an upgraded like foil or full art
Generally I am going to play one of the 1/1 dorks for two that find lands when I play them over this though
You may even find borderless source material cards with nostalgia as thick as the cheese pull on a pizza slice