If you expand your answer a bit to talk about some of the other probabilities involved and how they interact with each other (like how that extra card affects your opening hand, I guess?), I think it could be quite valuable.Alex P Alex P2017-03-20 19:34:34 +00:00Commented Mar 20, 2017 at 19:34 Statistically speaking, from the viewpoint of consistency, the only reason to have more than 60 cards is because the strategy or win condition in the deck you're making requires a higher number
A Ghostly Prison and other stax cards are very troublesome for attackers, because they have to scratch and claw their way just to arrive at your wall
however, I want it for the 99 of some decks
You can also treat it as creature or planeswalker targeted removal with its mana and discard ability
Making Cavern of Souls your source of creature spell mana protects you, as when they are cast using this mana, it also blocks them from being countered
Thankfully, so long as shes in play, Yshtola should be able to mitigate this cost somewhat
