You don't want to attack with your animated land? :)
Untap, upkeep
Declare attack
Responses?
Spidey: 15
Hand: 4
Battlefield:
(U) Swamp
(U,U) Forest x2
(U,U,U) Island x3
(U) Mt
(U,U) Plains x2
Containment Membrane (Surge U; Enchanted creature doesn't untap during its controller's untap...