The phrase "that hasn't been chosen" refers only to that specific Silent Hallcreeper
With Spore Beast, you completely stop an attack and leave a 2/2 champion in play that can continue to stop an attack every turn
it's surprisingly easy to make a 10/10, but it sucks if your opponent can just chump block it
During the course of reporting on this story, I monitored several vendors on the site
If a card is banned in Standard, R&D has made a big mistake, but if a card is banned in Modern, Legacy, or Vintage, well, thats just what happens when you have an enormous card pool
Elspeth can come down in the mid-game since she costs five mana, either establishing a board presence with her first two abilities or destroying a problematic creature of your opponents, making her a control players dream planeswalker