Here we have a sweet Near Mint The Tabernacle at Pendrell Vale and a Good Chains of Mephistopheles
Prior Lessons In terms of the Expected Value of this set, I am using my modeling for Modern Masters 2017 (and to a lesser extent other Masters sets), as I believe it is likely to be the closest in terms of overall value and composition to M25
Then when another artifact of yours bites it, you scry 1 and then grow this with a counter - note that's tokens too
Its maindeckable or sideboardable in random decks, not just Dinosaurs
Since they produce colorless mana, they work best with artifacts
I think its hilarious that the flavor text features the number 487, specifically, something high enough to destroy even the B.F.M, the most ridiculously strong creature in the history of joke cards, four times over