After a long day of dungeon delving, you head into the nearest town to get some much-needed rest
Because I knew they had an Angler in hand from a previous discard spell, I knew that the game would end if I blinked
Revolt is a very simple mechanic from Aether Revolt that would probably be forgotten by now, if not for a famous removal spell
On the other hand, the Instants offer some great support by Bile Blight killing a board of tokens (this will obliterate Tyranid players), Dark Ritual helping to cast things earlier in the game, and Brainstorm helping you smooth out future turns
An Unsummon plus a card draw is not worth UU as my costing analysis suggests but more like the 2U of Repulse
The drawbacks are the same, in that you have to wait until it gets back to your turn for the effect