The Loathsome Dung Eater

+2: Defile. Apply a Seed of Defilement token to a creature, when defiled creatures die they exile and return on owner's upkeep with Seedbed Curse.
-1: Consume. Tap one of your Omen or Spirit creatures to deal its power as damage to creature with Seedbed Curse. If that creature dies it is exiled.
-10: Rebirth. Sacrifice The Loathsome Dung Eater and at least 5 Seedbed Curses to create Mending Rune of the Fell Curse and as many 3/3 Omen tokens.