Untap, upkeep-pay 1U, Plains, Keeper of Light, attack with the Cutthroat for 1, Done.
Spidey 14
Hand: 3
In Play:
(T,T) Plains x2
(T,U,U) Island x3
(T,U) Swamp x2
(U,U) Mt x2
(U) Shield Mate (1/1, sac ~: target creature gets +0/+4 ueot)
(U) School of Piranha (3/3, at the beginning of my...