Hidden Necropolis enters tapped.

: Add .

, , Sacrifice Hidden Necropolis: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

: Add .

, , Sacrifice a creature: Keldon Necropolis deals 2 damage to any target.

Delve (Each card you exile from your graveyard while casting this spell pays for .)

Flying

, , Exile X cards from your graveyard: Target creature gets -X/-X until end of turn.

Landfall — Whenever a land you control enters, put a quest counter on Quest for the Necropolis.

, Sacrifice Quest for the Necropolis: Put target creature card from a graveyard onto the battlefield under your control. This ability costs less to activate for each quest counter on Quest for the Necropolis. Activate only as a sorcery.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I — Each player gets three rad counters.

II — Create X 2/2 black Zombie Mutant creature tokens, where X is the total number of rad counters among players.

III — Put two +1/+1 counters on each creature you control that's a Zombie or Mutant.