I'll shuffle the Mystical Tutor in my library from Put Away.
Untap, upkeep, Draw
Forbidding Watchtower
Done
Spidey: 12
Hand: 6
Library: 40
In Play:
(U,U) Island x2
(U,U,U) Plains x3
(T) Forbidding Watchtower (~ CIP tapped. T: Add W to my mana pool. 1W: ~ becomes a 1/5 white Soldier creature ueot. It's still a land)
(U) Sky Diamond (~ CIP tapped. T: Add U to my mana pool)
(U) Pearl Medallion (White spells I play cost 1 less to play)
Graveyard: Enlightened Tutor, Dismiss, Mystical Tutor, Put Away
RFG:
Mooseman: 20
Hand: 6
Library: 29
In Play:
(UT) Island x2
(UT) Mountain x2
(U) Mox Ruby (T:R)
Mana Web (Whenever any land target opponent controls is tapped for mana, tap all lands he or she controls that can produce any type of mana that land can produce.)
(T) Silver Myr (1/1,{Tap}: Add {U} to your mana pool.)
Graveyard: Timetwister, Lightning Bolt, Force Spike
RFG:
Untap, upkeep, Draw
Forbidding Watchtower
Done
Spidey: 12
Hand: 6
Library: 40
In Play:
(U,U) Island x2
(U,U,U) Plains x3
(T) Forbidding Watchtower (~ CIP tapped. T: Add W to my mana pool. 1W: ~ becomes a 1/5 white Soldier creature ueot. It's still a land)
(U) Sky Diamond (~ CIP tapped. T: Add U to my mana pool)
(U) Pearl Medallion (White spells I play cost 1 less to play)
Graveyard: Enlightened Tutor, Dismiss, Mystical Tutor, Put Away
RFG:
Mooseman: 20
Hand: 6
Library: 29
In Play:
(UT) Island x2
(UT) Mountain x2
(U) Mox Ruby (T:R)
Mana Web (Whenever any land target opponent controls is tapped for mana, tap all lands he or she controls that can produce any type of mana that land can produce.)
(T) Silver Myr (1/1,{Tap}: Add {U} to your mana pool.)
Graveyard: Timetwister, Lightning Bolt, Force Spike
RFG: