According to Verhey, the card was banned because of the potential for players to imprint an extra turn spell for an easy (and frustrating) win, or just something that creates an 'unfun' situation and stops the game moving forward, like a board wipe every turn
The trade-off is that you'll be returning an attacking creature to your hand to cast it for this cost
I like Molten Rain , their mana base is not great and it can be good to prevent a Bloodbraid Elf or get the second black mana for Liliana or green mana for Ooze ect
Stay Awhile And Listen As someone who grew up with Magic sets being released in "blocks" of three sets on the same plane, where they would slowly expand on themes throughout the block, I'm loving this multiple set take on Innistrad
Thus far, 21 promo cards have been made available either via missions, or via the in-game shop
I believe Aaron Forsythe was the one to pitch the idea when he and I first talked about The Brothers' War