Once Primal

Flying, Painborn, Menace, Agony & Limbo
{x}{p/b} Madness- (Instant) Non-Aberration creatures have -X/0 until the end of turn.
(Then exile this card. You may cast it later)
Canvas- As long as there are 4 or more Aberrations this creature gains Skulk,
Exalted, Shroud, Trample & Haste.