Untap, upkeep, spring the Lorian, draw, Mountain, play a creature face-down, done.
Common Pool
Bog Witch 2B Creature-Human Spellshaper (1/1; B, T, Discard a card: Add BBB to your mana pool)
Island
Dark Heart of the Wood BG Enchantment (Sac a Forest: You gain 3 life)
Forest
Library: 97...