Humility/Prayer was so monstrously effective at making the game entirely about protecting the lock, having a Counterspell that could buyback was backbreaking, even if it required discarding multiple cards to do so
Stay tuned for further updates and more details on Phantasmal Flames
It's also worth noting that while these are the 10 best cards in the set, Narode thinks that the set isn't very strong overall, although that's not entirely a bad thing, as it helps with the power creep the game has been experiencing
2016-08-23 If you didn't choose a target creature for the first ability, and Kaya isn't on the battlefield as the ability resolves, you'll just lose 2 life
As a result of this scarcity, prices overall have increased
Earl of Squirrel This is another card that strikes my Black-border fancies