Untap, Upkeep, Mountain. Done.
Ransac: 15
Hand: 11
In Play:
(U) Forest
(U) Plains
(U,U) Mountain
(U,U) Swamp
(U) Island
(U) Angelic Wall (0/4, Flying, defender)
(U) Druid Lyrist (1/1, G, sacrifice Druid Lyrist: Destroy target enchantment)
(U) Dirty Wererat (2/3, B, Discard a card: Regenerate...