Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.) I — You may sacrifice a creature. If you do, each opponent discards a card. II — Return target creature card from your graveyard to your hand. III — Target opponent may sacrifice a nonland, nontoken permanent of their choice. If they don't, they lose 2 life and you draw a card.

Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.) I — Target opponent reveals their hand. You choose a creature or planeswalker card from it. That player discards that card. II — Search your library for a card, put that card into your hand, then shuffle. You lose 3 life. III — Put target creature card from a graveyard onto the battlefield under your control.

Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.) I — Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. II — Create a 1/1 green Saproling creature token. III — Domain — Target creature you control gets +X/+X and gains trample until end of turn, where X is the number of basic land types among lands you control.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Put a +1/+1 counter on up to one target creature. That creature becomes an artifact in addition to its other types. II — Destroy all nonartifact creatures. III — Exile all opponents' graveyards.

Whenever you gain life, target opponent loses that much life. When Enduring Tenacity dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)

Whenever an opponent loses life, you gain that much life.