Untap, Draw, Attack with Mirri for 2, Tap Mt and use Elf to convert to White, Tap Diamond and Elf to play Soltari Visionary, Done.
rkoelsch
In play: plains, Kor Haven, Undiscovered Paradise
Hand: 6
Graveyard: Urza's Incubator
Removed from Game: 0
Life: 13
Spidey
In play: Taiga, Mt(T), Mox Diamond(T), Skyshroud Elf(1/1)(T), Mirri (2/3, first strike, no tap), Soltari Visionary(2/2, shadow, destroy enchantment), Manabarbs
Hand: 3
Graveyard: Forest, Shattering Pulse
Removed from Game: 0
Life: 19