Spells and abilities your opponents control can't cause their controller to search their library.

-1: Target player mills four cards. Then exile each opponent's graveyard.

Mutate {2}{B/G}{B/G} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Whenever this creature mutates, return target permanent card from your graveyard to your hand.

When Champion of Wits enters the battlefield, you may draw cards equal to its power. If you do, discard two cards.

Eternalize {5}{U}{U} ({5}{U}{U}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Naga Wizard with no mana cost. Eternalize only as a sorcery.)

Gain control of target creature with power 2 or less.

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Surveil 3, then return a creature card from your graveyard to the battlefield.

{B}, {T}, Sacrifice Doomed Necromancer: Return target creature card from your graveyard to the battlefield.

Return target permanent card from your graveyard to your hand. If a creature died this turn, create two 1/1 green Saproling creature tokens.

When Glowspore Shaman enters the battlefield, mill three cards. You may put a land card from your graveyard on top of your library.

You can't spend mana to cast this spell.

Convoke, delve (Each creature you tap while casting this spell pays for {1} or one mana of that creature's color. Each card you exile from your graveyard pays for {1}.)

You may cast Hogaak, Arisen Necropolis from your graveyard.

Trample

Lord of Extinction's power and toughness are each equal to the number of cards in all graveyards.

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Cycling {2} ({2}, Discard this card: Draw a card.)

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

Destroy target creature.

Nevinyrral's Disk enters the battlefield tapped.

{1}, {T}: Destroy all artifacts, creatures, and enchantments.

Bestow {2}{B}{B} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Nighthowler and enchanted creature each get +X/+X, where X is the number of creature cards in all graveyards.

Landfall -- Whenever a land enters the battlefield under your control, put a loyalty counter on Nissa of Shadowed Boughs.

+1: Untap target land you control. You may have it become a 3/3 Elemental creature with haste and menace until end of turn. It's still a land.

-5: You may put a creature card with mana value less than or equal to the number of lands you control onto the battlefield from your hand or graveyard with two +1/+1 counters on it.

(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.

Return target creature card from your graveyard to your hand.

Draw a card.

Undergrowth -- Rhizome Lurcher enters the battlefield with a number of +1/+1 counters on it equal to the number of creature cards in your graveyard.

When Satyr Wayfinder enters the battlefield, reveal the top four cards of your library. You may put a land card from among them into your hand. Put the rest into your graveyard.

Reveal the top five cards of your library. You may put a creature or land card from among them into your hand. Put the rest into your graveyard.

Sacrifice Seal of Doom: Destroy target nonblack creature. It can't be regenerated.

When Stitcher's Supplier enters the battlefield or dies, mill three cards.

Choose one --

• Destroy target monocolored creature.

• Destroy target artifact or enchantment.

• Draw two cards, then discard a card.

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

I -- Each opponent sacrifices a creature or planeswalker.

II -- Each opponent discards a card.

III -- Put target creature or planeswalker card from a graveyard onto the battlefield under your control.

{U}, Sacrifice Vessel of Paramnesia: Target player mills three cards. Draw a card.

Creatures you control have lifelink.

{2}{B}{B}, {T}: Return target creature card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step. If it would leave the battlefield, exile it instead of putting it anywhere else. Activate only as a sorcery.