Lorthos, the Tidemaker - The List (PLIST) M13 Nontoken creatures you control are

Nontoken creatures you control are Forest lands in addition to their other types

you may cast target instant or sorcery card with mana value less than or equal to Dreadhorde Arcanist's power from your graveyard without paying its mana cost

{B}{B}: Regenerate Skithiryx

or Mountain card

Lash Out deals 3 damage to target creature

Lorthos, the Tidemaker - The List (PLIST) M13 Nontoken creatures you control areWhenever Lorthos, the Tidemaker attacks, you may pay {8}. If you do, tap up to eight target permanents. Those permanents don't untap during their controllers' next untap steps. When Lorthos emerges from his deepwater realm, the tides bow to his will and the coastline cowers in his presence.