Poison types are weak to 2 types, which they receive double the damage from: [15] Ground - The earth absorbs poison Psychic - While the body can be poisoned, the mind is metaphysical and has the upper hand over poison (mind over matter)
Radiant Destiny becomes an Always Watching, which was a great pairing with the exert mechanic (or any creature card really)
Flitterstep Eidolon More and more saboteur abilities are printed every set, so to ensure you've got at least one creature that can slip through defenses is a job for Flitterstep Eidolon
For five mana, you get a 6/6 vigilance reach trample, and every time it either blocks or attacks, you get your choice of a 3/3 Beast, a card, or three life
You can get Aggravated Assault on the battlefield very early, which can then start giving you extra combats