COMBOS
devoted druid + grim poppet in GY, necrotic ooze in play = kill everything and make lots of mana
devoted druid + quillspike = infinitely giant quillspike
(also works with them in GY and ooze)
phyrexian devourer + triskelion in GY, ooze in play = deal damage equal to total mana cost of cards in your library
mikaeus the unhallowed + triskelion = infinite damage
palladium myr + pili-pala in GY, ooze in play = infinite mana
OTHER SHIT
wall of blood / hatred - kill all opponents with jarad's ability if you have the most life
survival of the fittest, chord, tooth and nail, buried alive - good tutors
lord of extinction - big guy 4 u
Decree of pain + sudden spoiling - various ways to fuck creatures up
life from the loam / darkmoor salvage - great dredgers, combo with Gitrog Monster
golgari grave troll - great dredge, repeatable jarad sac