OK, unless you have anything else,
you take 4, I gain 4 and I am done
No untapping your creatures now.......
Spidey: 2
Hand: 12
Battlefield:
(T) Swamp
(U,U) Mt x2
(T) Forest
Claws of Valakut (Enchanted creature gets +1/+0 for each Mt I control and has first strike)
(T) Slavering Nulls (4/1; First Strike due to Claws; Whenever ~ deals combat dmg to a player, if I control a Swamp, I may have that player discard a card) *Clawed*
(T) Death's Shadow (9/9; ~ gets -X/-X, where X is my life total)
Graveyard: Nature's Claim
Exile:
Mooseman: 20
Hand: 8
Battlefield:
(T) Plains
(TT) Island
(T) Mountain
(T) Forest
(T) Fledgling Griffin (2/2, Landfall — Whenever a land enters the battlefield under your control, Fledgling Griffin gains flying until end of turn.)
(T) Marsh Threader (2/1, Swampwalk)
Graveyard: Groundswell, Seer's Sundial, Crusher Zendikon
Exile:x