Down in the Valley

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.) I — Search your library for a basic land card, reveal it, put it into your hand, then shuffle. II — This Saga gains "Landfall — Whenever a land you control enters, create a 1/1 green Elf creature token." III, IV — Elves you control get +1/+0 and gain vigilance until end of turn.