Untap, Upkeep, Attack with Aven, Collaborator, and Constrictor. Responses/Blocks?
Spidey: 8
Hand: 3
In Play:
(U,U) Mt x2
(U,U) Island x2
(T,T) Swamp x2
(U,U) Plains x2
(T) Tainted Peak (T: Add 1 to my mana pool. T: Add R or B to my mana pool. Play this ability only if I control a Swamp)
(U)...