The Great Old One

+1: You may use another Planeswalker's +1 Loyalty ability or create a 1/1 Aberration creature with Reach, Shroud & either Elder Evil or Agony.
-2: Target creature gets -X/-X until end of turn, where X is the total number of Aberrations currently in play & if it dies draw a card.
-7: Create an Emblem with "On your end step create X tapped 1/1 Aberration creatures, where X is equal to half the number of Aberrations in play.