Map to Lorthos's Temple is a rare Enchantment — Quest card from Mystery Booster 2 (MB2), collector number 531. Current market price: $0.19, TCGplayer market prices via Scryfall.
Whenever you complete one of the following objectives, check it off. If all three are checked off, sacrifice Map to Lorthos's Temple. If you do, create a Lorthos, the Tidemaker token. ☐ Diving Gear — An artifact enters the battlefield under your control. ☐ Merfolk — A Merfolk enters the battlefield under your control. ☐ Ritual — You cast an instant or sorcery spell.