Oh well, maybe this will work...
Untap, upkeep, Swamp, Ashes to Ashes removing Bog Imp and Land Leeches from the game, attacl with Marsh Goblins for 1, done.
Spidey: 19
Hand: 13
In Play:
(T) Swamp
(T,T) Forest x2
(U) Bog Rats (1/1, ~ can't be blocked by Walls)
Graveyard:
RFG: Land Leeches...