Let's see... I'll discard Primal Growth (utter crap here, anyway), Kavu Recluse, and Malicious Advice.
Untap, upkeep.
Send the Greevil. Responses/blocks?
Rokapoke: 20
Hand: 14
In play:
(U) Plains
(U) Island
(U) Forest
(U) Sunscape Familiar (0/3; Defender. Green spells and blue spells you play cost 1 less to play.)
(T) Root Greevil (2/3; 2G, T, Sacrifice ~: Destroy all enchantments of the color of your choice.)
Graveyard: Primal Growth, Kavu Recluse, Malicious Advice
RFG:
Mooseman: 20
Hand: 13
In play:
(T) Swamp
(T) Mountain
(T) Forest
(U) Morgue Toad (2/2, Sac: Add UR to your mana pool.)
Graveyard: Swamp, Bog Down
RFG: