You can also do one for one cad there
So, my evaluation comes from my own biases, which boil down to: play the sort of cards and decks that lets everyone at the table have a chance to breathe, play Commander, and have at least a decent chance to do the thing that their deck wants to do
Assuming you can afford to pay eight mana and unlock both Rooms right off the hop, every enchantment cast produces +1/+1 counters equal to its mana cost, and every permanent you cast immediately becomes an enchantment
1 Prismari, The Inspiration Standard & Commander The elder dragon of the Prismari College, Prismari, the Inspiration, is a huge spell costing seven mana , but if it resolves on the battlefield, there will be hell to pay
Having the Force of Will free spell clause, its kind of surprising that its only worth $12, but even that wont hold now that its had this reprint
The perfect binder for those that like to secretly show off their collection