Chandra's Ignition doesn't do damage itself, it has the creature deal the damage
Smoothing Out Your Draw Steps Brainstorm's ability to stack the top of your library is invaluable for smoothing out your next few draws
Esper Charm could destroy enchantments, which Sultai Charm can also do, but it also hits artifacts
I think its fair to say that most Zombie decks are gonna want this dude
When they enter the battlefield, if you cast it, search your library for up to five Dragon cards not named Tiamat that each have different names, reveal them, put them into your hand, then shuffle. Its nice to draw cards, and drawing five powerful Dragon cards is even nicer
With those four firmly on our list, lets go to the other end of the spectrum and figure out what can get kicked off the raft right away