I actually like that play :)
Untap, upkeep, Draw, Polluted Delta, sac it and pay a life to get a Swamp, Royal Assassin, Done.
Spiderman (19)
Hand: 6
Library: 49
In Play:
(T,T) Swampx2
(T) Underground River (B/U Pain land) (enchanted by Sea's Claim - is an Island)
(S) Royal Assassin (1/1, T...