The Economics of Scale By scale here, I mean the difference between a color staple and a format staple and how they can vary wildly
However, this will require you to run a much slower Trainer lock deck like VileGar, so if your going to do that there is really no point in running a Mew Prime-based deck with Spiritomb and Vileplume
Upheaval, Gifts Ungiven, Yawgmoth's Will, Balance (the most ironically named unfair card), Wheel of Fortune, Gaea's Cradle, Tolarian Academy, Survival of the Fittest (a classic combo with Recurring Nightmare), Vedalken Shackles
You want to strike a bit of a balance between protection effects and indestructible ones
Based on previous Secret Lair drops, my guess is that prices will look something like this: Meren of Clan Nel Toth: $20 Captain Sisay: $15 Oona, Queen of the Fae: $10 Narset, Enlightened Master: $10 Saskia the Unyielding: $5 So, is it worth it to buy this drop