mtg m12 card list Magic 2012 | 249 cards (English) Magic 2012 (M12) Card Gallery

The reward you get from Roil for not being able to target lands is an easier casting cost of 1U and a kicker for the same cost again to draw you a card and represent Cryptic Command in bounce draw mode

You dont really need triple mana in Limited, though I suppose someone is going to Choco-Comet for X = 21 with Nyxbloom Ancient

It's currently being selled by the minimum price of $ 0.31

Given that the first part of the spell is already a playable card, I think its totally reasonable to play Glimpse the Cosmos if you only have four Bonecrusher Giants to enable it at some point you will get one on the battlefield and thats enough