Untap, upkeep
Swamp
Done
Spidey: 23
Hand: 7
Battlefield:
(U,U) Plains x2
(U,U) Swamp x2
(U) Island
(U) Mt
(U) Gruul Guildgate (~ ETB tapped.; T: Add R or G to my mana pool)
(U) Wojek Halberdiers (3/2; Battalion-Whenever ~ and at least two other creatures attack, ~ gets first strike...