Untap, Upkeep (leaving Carno tapped)
Swamp
Thrull Surgeon, and sac it immediately.
Reveal that hand!
...
Spidey 18
Hand: 11
In Play:
(T) Plains
(T,U) Island x2
(T) Swamp
(T) Mt
(U) Shield Mate (1/1, sac ~: target creature gets +0/+4 ueot)
(U) School of Piranha (3/3, at the beginning of my upkeep, sac ~ unless I pay 1U)
(U) Merfolk Looter (1/1)
(S) Dauthi Cutthroat (1/1, shadow, 1B,T: destroy target creature with shadow)
Graveyard:
RFG:
Limited 12
Hand: 12
In Play:
(TT) 2x Swamp
(TU) 2x Forest
(T) Plains
(U) Island
(T) Carnophage (2/2, upkeep: tap or pay 1 life)
(U) Wood Elves (1/1)
(S) Pygmy Troll (1/1 G:regen, gets +1/+1 for each blocker)
Graveyard: Thrull Surgeon
RFG: