Riku of Two Reflections If youre willing to leave powerful white cards like Guide of Souls behind and work with a Temur commander, Riku of Two Reflections gives you an enormous amount of value, doubling almost all of your energy triggers if you have the mana
14 Magic: The Gathering cards per Booster
I could rifle off a list of pros half a page long who say that Invisible Stalker is one of the most obnoxious printings in the past five years
In this format more than any other, reusable removal spells were at a premium, such as Skull Catapult and Stormbind
Any continuous effects with a "for as long as" duration, such as that of Extraction Specialist, ignore phased-out objects
Black is also pretty good as well, with the drawback of usually having to pay life