That's 3
Swamp
Done
Spidey: 19
Hand: 1
Library: 17
Battlefield:
(U,U,U,U) Swamp x4
(U,U,U,U) Plains x4
CoP: Green (1: The next time a green source of my choice would deal dmg to me this turn, prevent that dmg)
(U) Sword of the Meek (Equipped creature gets +1/+2.; Equip 2; Whenever a 1/1...