Search your library for an instant card or a card with flash, reveal it, put it into your hand, then shuffle.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

Whenever you cast a noncreature spell, put a lore counter on Myth Realized.

: Put a lore counter on Myth Realized.

: Until end of turn, Myth Realized becomes a Monk Avatar creature in addition to its other types and gains "This creature's power and toughness are each equal to the number of lore counters on it."

Enchant creature

Enchanted creature gets +8/+8 and has trample.

Create a token that's a copy of target permanent. If was spent to cast this spell, instead create a token that's a copy of that permanent, except the token has "When this permanent enters, if it's a creature, it fights up to one target creature you don't control."

Each player chooses an artifact, a creature, an enchantment, and a planeswalker from among the nonland permanents they control, then sacrifices the rest. If was spent to cast this spell, you choose the permanents for each player instead.

If a Wizard entering under your control causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Protection from artifacts

Whenever a player casts a white spell, you may pay . If you do, untap target permanent.

Whenever a token you control leaves the battlefield, put a +1/+1 counter on Nadier, Agent of the Duskenel.

When Nadier leaves the battlefield, create a number of 1/1 green Elf Warrior creature tokens equal to its power.

Partner (You can have two commanders if both have partner.)

Whenever you draw a card, you may pay . If you do, put a +1/+1 counter on Nadir Kraken and create a 1/1 blue Tentacle creature token.

Flying

Domain — Whenever Nael, Avizoa Aeronaut deals combat damage to a player, look at the top X cards of your library, where X is the number of basic land types among lands you control. Put up to one of them on top of your library and the rest on the bottom in a random order. Then if there are five basic land types among lands you control, draw a card.

When Naga Oracle enters, surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

Whenever Nagao, Bound by Honor attacks, Samurai creatures you control get +1/+1 until end of turn.

Affinity for Equipment (This spell costs less to cast for each Equipment you control.)

Whenever an equipped creature you control attacks, exile the top card of your library. You may play that card this turn. You may cast Equipment spells this way without paying their mana costs.

During your turn, creatures you control have first strike and equip abilities you activate cost less to activate.

−X: Nahiri, Storm of Stone deals X damage to target tapped creature.

+2: Create a 1/1 white Kor Soldier creature token. You may attach an Equipment you control to it.

−2: You may put an Equipment card from your hand or graveyard onto the battlefield.

−10: Create a colorless Equipment artifact token named Stoneforged Blade. It has indestructible, "Equipped creature gets +5/+5 and has double strike," and equip .

Nahiri, the Lithomancer can be your commander.

Enchant creature or planeswalker

Enchanted permanent can't attack or block, and its activated abilities can't be activated.

At the beginning of combat on your turn, target creature you control gains indestructible until end of turn.

: Nahiri's Machinations deals 1 damage to target blocking creature.

As an additional cost to cast this spell, sacrifice an artifact or creature with mana value X.

Nahiri's Sacrifice deals X damage divided as you choose among any number of target creatures.

Nahiri's Warcrafting deals 5 damage to target creature, planeswalker, or battle. Look at the top X cards of your library, where X is the excess damage dealt this way. You may exile one of those cards. Put the rest on the bottom of your library in a random order. You may play the exiled card this turn.

During turns other than yours, spells you cast cost less to cast.

Whenever a Warrior attacks, you may have its controller create a 1/1 white Warrior creature token that's tapped and attacking.

: Untap all attacking creatures. They gain trample, lifelink, and haste until end of turn. After this phase, there is an additional combat phase. Activate only during combat.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

If tapped for mana, Plains produce , Islands produce , Swamps produce , Mountains produce , and Forests produce instead of any other type.

Flying

Whenever you cast a spell from exile, copy it. You may choose new targets for the copy. If it's a permanent spell, the copy gains haste and "At the beginning of the end step, sacrifice this permanent." (A copy of a permanent spell becomes a token.)

Gotcha — If an opponent says a word that's in the name of a card in your graveyard, you may say "Gotcha" When you do, return that card to your hand.

Changeling (This card is every creature type.)

Target creature gets +3/-3 and loses all creature types until end of turn.

Trample

As Nameless Race enters, pay any amount of life. The amount you pay can't be more than the total number of white nontoken permanents your opponents control plus the total number of white cards in their graveyards.

Nameless Race's power and toughness are each equal to the life paid as it entered.

Protection from black

Threshold — Nantuko Blightcutter gets +1/+1 for each black permanent your opponents control as long as seven or more cards are in your graveyard.

When Nantuko Cultivator enters, you may discard any number of land cards. Put that many +1/+1 counters on Nantuko Cultivator and draw that many cards.

: Add .

, : Target creature gets +X/+X until end of turn, where X is that creature's power.

: Nantuko Shade gets +1/+1 until end of turn.

Whenever a player casts a spell, that player creates X 1/1 green Squirrel creature tokens, where X is the number of cards in all graveyards with the same name as that spell.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

When Nantuko Vigilante is turned face up, destroy target artifact or enchantment.

Lifelink

Whenever you sacrifice an enchantment, draw a card.

Whenever the final chapter ability of a Saga you control resolves, each opponent loses X life and you gain X life, where X is that Saga's mana value.

Enchant creature

At the beginning of each upkeep, if enchanted creature is untapped, tap it.

: Add for each counter on Nardole. Spend this mana only to cast noncreature spells.

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Doctor's companion (You can have two commanders if the other is the Doctor.)

: Narnam Cobra gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)

Each creature assigns combat damage equal to its mana value rather than its power.

2 — Whenever this creature attacks, you gain 2 life.

3 — Vigilance, reach

2 — 2/4

5 — 7/7

+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 next cast an 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."

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.

Copy target instant or sorcery spell, then return it to its owner's hand. You may choose new targets for the copy.

Flash

When Naru Meha, Master Wizard enters, copy target instant or sorcery spell you control. You may choose new targets for the copy.

Other Wizards you control get +1/+1.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Nashi, Moon Sage's Scion deals combat damage to a player, exile the top card of each player's library. Until end of turn, you may play one of those cards. If you cast a spell this way, pay life equal to its mana value rather than paying its mana cost.

Menace

Whenever Nashi, Searcher in the Dark deals combat damage to a player, you mill that many cards. You may put any number of legendary and/or enchantment cards from among them into your hand. If you put no cards into your hand this way, put a +1/+1 counter on Nashi.

As an additional cost to cast this spell, sacrifice a creature.

Draw two cards. If the sacrificed creature was legendary, draw three cards instead.

All creatures able to block Nath's Elite do so.

When Nath's Elite enters, clash with an opponent. If you win, put a +1/+1 counter on Nath's Elite. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Each player who controls six or more lands chooses five lands they control and sacrifices the rest. Each player who controls four or fewer lands may search their library for up to X basic land cards and put them onto the battlefield, where X is five minus the number of lands they control. Then each player who searched their library this way shuffles.