You must follow all normal timing rules for spells cast and lands played using the third ability and must pay all costs for spells cast this way
Affectionately called a Group Slug deck, the Masters of Evil deck introduces a new mechanic called villainous choice, which gives your opponents two options that either harms them or helps you out
Finally, its a form of massive card advantage since you can discard the lands for effects like Cathartic Reunion or Seismic Assault
Steinfeld estimated the value of the cards he was trading in ahead of time based on recent eBay listings, and the actual amounts GameStop paid him for them were all over the place, from pretty good to pretty terrible
A few more cards see plenty of play in Commander: Dragon Mage as a wheel card that allows players to discard and draw entire hands, Swiftfoot Boots is solid equipment that is helpful in virtually every Commander deck, and Cinder Glade which is a slow land of the red and green color identity
You can find Peter's review of the card here, and do follow him on Twitter and his reviews as they are often really spot on to various cards
