Reprieve - The problem with cards that return to hand rather than counter, like Unsubstantiate, is that you run the risk of them just being able to recast it right away if they have a lot of mana open
If Court of Vantress becomes a copy of a token, it copies the original characteristics of that token as defined by the effect that put it onto the battlefield
Revealing all at the same time
No one likes playing against mill decks, and to be fair, theyre not that much fun to play either
For example, if you control both Azusa and Exploration (an enchantment with "You may play an additional land on each of your turns"), you'll be able to play four lands during each of your turns
Salvation Engine Salvation Engine is one of the hardest vehicles to crew at 6, but at least it has a hefty bonus