Xavier, Lord of Monsters

+1-2: randomly create 1/3 merfolk with T:g/b, 1/1 bat w/lifelink, 2/1 rat w/deathtouch, or 2/2 zombie, 1/1 flying insect, 1/3 spider with reach
-3: Randomly create 5/5 thrull w/extort, 5/5 horror w/when it damages create a 1/1 horror w/ flying or a 0/0 crab with graft 4 and evolve
-5: Randomly create 9/9 Kraken w/trample:devour2, 6/6 shade w/flying, gravepull, and B +1/+1 until end of turn, 7/7 demon w/wither:amass3:afterlife3