Roads Go Ever, Ever On

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)
[I] Search your library for up to two basic Plains cards, exile them, then shuffle. You gain 2 life.
[II] [III] Put a card exiled with this Saga into its owner's hand.
[IV] Whenever you attack this turn, target creature you control gets +1/+1 until end of turn for each Plains you control.