Sorry, I'm just too cautious :)
Untap, upkeep, Draw, attack with El-Hajjij and Black Knight for the kill...
If this is indeed the end, you want to go for best 2 out of 3? If so, you decide to play or draw for the second game...
Spiderman (21)
Hand: 8
Library: 37
In Play:
(U,U) Swampx2
(U)...