Whenever you put one or more counters on a permanent or player, All Will Be One deals that much damage to target opponent, creature an opponent controls, or planeswalker an opponent controls.

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Flying, vigilance, deathtouch, lifelink

At the beginning of your end step, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Destroy target creature with total power and toughness 5 or less.

If you control a commander, you may cast this spell without paying its mana cost.

You may choose new targets for target spell or ability.

Vigilance

Whenever a source an opponent controls deals damage to you or a permanent you control, that source's controller loses 2 life unless they pay {1}.

{2}{W}, Sacrifice three other creatures: Exile Elesh Norn, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery.

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

I -- Incubate 2 five times, then transform all Incubator tokens you control.

II -- Creatures you control get +1/+1 and gain double strike until end of turn.

III -- Destroy all other permanents except for artifacts, lands, and Phyrexians. Exile The Argent Etchings, then return it to the battlefield (front face up).

Vigilance

Other creatures you control get +2/+2.

Creatures your opponents control get -2/-2.

Vigilance

If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Permanents entering the battlefield don't cause abilities of permanents your opponents control to trigger.

Look at the top three cards of your library. Put one of them into your hand, put one of them on the bottom of your library, and exile one of them. You may play the exiled card this turn.

Return all noncreature, nonland permanents to their owners' hands.

Flying, vigilance, toxic 2

Corrupted -- At the beginning of your end step, each opponent who has three or more poison counters exiles the top card of their library face down. You may look at and play those cards for as long as they remain exiled, and you may spend mana as though it were mana of any color to cast those spells.

For each creature, its controller sacrifices it unless they pay X life.

Flash

Domain -- This spell costs {1} less to cast for each basic land type among lands you control.

When Leyline Binding enters the battlefield, exile target nonland permanent an opponent controls until Leyline Binding leaves the battlefield.

Enchant legendary creature

Enchanted creature has ward {2} and "{T}: Add five mana in any combination of colors. Spend this mana only to cast spells."

At the beginning of your upkeep, you may put a petal counter on Lotus Blossom.

{T}, Sacrifice Lotus Blossom: Add X mana of any one color, where X is the number of petal counters on Lotus Blossom.

{T}, Sacrifice Lotus Petal: Add one mana of any color.

+1: Look at the top card of your library. If it's a noncreature, nonland card, you may reveal it and put it into your hand.

-2: When you cast your next instant or sorcery spell from your hand this turn, it gains rebound. (Exile the spell as it resolves. At the beginning of your next upkeep, you may cast that card from exile without paying its mana cost.)

-9: You get an emblem with "Your opponents can't cast noncreature spells."

Creatures you control have prowess.

Whenever Narset, Enlightened Exile attacks, exile target noncreature, nonland card with mana value less than Narset's power from a graveyard and copy it. You may cast the copy without paying its mana cost.

First strike, hexproof

Whenever Narset, Enlightened Master attacks, exile the top four cards of your library. Until end of turn, you may cast noncreature spells from among those cards without paying their mana costs.

Skip your draw step.

Whenever you discard a card, exile that card from your graveyard.

Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

Flying, trample

Whenever one or more opponents each lose exactly 1 life, put a +1/+1 counter on Ob Nixilis, Captive Kingpin. Exile the top card of your library. Until your next end step, you may play that card.

Casualty X. The copy isn't legendary and has starting loyalty X. (As you cast this spell, you may sacrifice a creature with power X. When you do, copy this spell. The copy becomes a token.)

+1: Each opponent loses 2 life unless they discard a card. If you control a Demon or Devil, you gain 2 life.

-2: Create a 1/1 red Devil creature token with "When this creature dies, it deals 1 damage to any target."

-7: Target player draws seven cards and loses 7 life.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Whenever a source deals damage to Reaper of Sheoldred, that source's controller gets a poison counter.

Menace

When Sheoldred enters the battlefield, each opponent sacrifices a nontoken creature or planeswalker.

{4}{B}: Exile Sheoldred, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery and only if an opponent has eight or more cards in their graveyard.

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

I -- For each opponent, destroy up to one target creature or planeswalker that player controls.

II -- Each opponent discards three cards, then mills three cards.

III -- Put all creature cards from all graveyards onto the battlefield under your control. Exile The True Scriptures, then return it to the battlefield (front face up).

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

At the beginning of your upkeep, return target creature card from your graveyard to the battlefield.

At the beginning of each opponent's upkeep, that player sacrifices a creature.

Deathtouch

Whenever you draw a card, you gain 2 life.

Whenever an opponent draws a card, they lose 2 life.

Counter target activated or triggered ability. (Mana abilities can't be targeted.)

Tempting offer -- Return a creature card from your graveyard to the battlefield. Each opponent may return a creature card from their graveyard to the battlefield. For each opponent who does, return a creature card from your graveyard to the battlefield.

Activated abilities of creatures you control cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.