Untap, upkeep, attack with the Seaswift, activate the Entangler so your Seaswift can't block, Plains, Berserk Murlodont, Done.
Spidey: 20
Hand: 8
In Play:
(T) Mountain
(T) Forest
(T,T) Plains x2
(T,T) Swamp x2
(T) Island
(U) Whipgrass Entangler (1/3, Cleric, 1W: Ueot, target creature gains...