Grell Philosopher Horrors gaining abilities can be pretty great when youve got a whole bunch of them (more and more likely Ill be building Zellix, Sanity Flayer)
The first ability gives a creature +1/+0, trample, and haste for the turn, letting you swing right in with a creature you just played
However his flip side, is, indeed, the one-winged Angel version of Sephiroth that struck fear into the hearts of all Final Fantasy gamers when you heard his theme music
Chocobo Kick has been even better than expected, and it fights closely with Summon: Fat Chocobo and Town Greeter for the title of best green common
Your best competitive AND legal deck
A Standard version of the deck definitely wont want the likes of Chocobo Racetrack or Call the Mountain Chocobo, but if you cap the curve at three, it starts looking like a pretty solid little Aggro deck