You went first the first time, so I'll go first here. Good luck!
Swamp
Shadow Guildmage
Done
Spidey: 20
Hand: 14
Battlefield:
(T) Swamp
(S) Shadow Guildmage (1/1; U, T: Put target creature I control on top of its owner's library; R, T: ~ deals 1 dmg to target creature or player and 1 dmg to me)
Graveyard:
Exile:
Mooseman: 20
Hand: 15
Battlefield:
Graveyard:
Exile:
Swamp
Shadow Guildmage
Done
Spidey: 20
Hand: 14
Battlefield:
(T) Swamp
(S) Shadow Guildmage (1/1; U, T: Put target creature I control on top of its owner's library; R, T: ~ deals 1 dmg to target creature or player and 1 dmg to me)
Graveyard:
Exile:
Mooseman: 20
Hand: 15
Battlefield:
Graveyard:
Exile: