Skreed, Known Enigma

+2: Roll a d20. 10-20 until your next turn Skreed, Known Enigma phases out.
+1: Until your next turn the next time Skreed, Known Enigma would be dealt damage prevent that damage.
-1: Skreed, Known Enigma deals X damage to each opponent equal to the number of loyalty counters on Skreed. This damage can't be prevented.