Flying

Whenever Niblis of the Urn attacks, you may tap target creature.

Nick Valentine, Private Eye can't be blocked except by artifact creatures.

Whenever Nick Valentine or another artifact creature you control dies, you may investigate. (To investigate, create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Nicol Bolas, Dragon-God has all loyalty abilities of all other planeswalkers on the battlefield.

+1: You draw a card. Each opponent exiles a card from their hand or a permanent they control.

−3: Destroy target creature or planeswalker.

−8: Each opponent who doesn't control a legendary creature or planeswalker loses the game.

+3: Destroy target noncreature permanent.

−2: Gain control of target creature.

−9: Nicol Bolas, Planeswalker deals 7 damage to target player or planeswalker. That player or that planeswalker's controller discards seven cards, then sacrifices seven permanents of their choice.

+3: Each opponent loses 3 life unless that player sacrifices a nonland permanent of their choice or discards a card.

−3: Destroy target creature. Draw a card.

−11: Nicol Bolas, the Deceiver deals 7 damage to each opponent. You draw seven cards.

When Night Clubber enters, creatures your opponents control get -1/-1 until end of turn.

Blitz (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

Whenever Night Market Lookout becomes tapped, each opponent loses 1 life and you gain 1 life.

Bedtime story (Don't put a lore counter on this Saga as it enters. Put a lore counter on it at the beginning of your end step rather than your main phase. Sacrifice after III.)

I — Create two 1/1 blue Merfolk creature tokens.

II — Put a flying counter on each tapped creature you control.

III — Draw a card for each creature you control that dealt combat damage to a player this turn.

After you roll a die, you may pay 1 life. If you do, increase or decrease the result by 1. Do this only once each turn.

Whenever you roll a 6, create a 2/2 black Zombie Employee creature token.

Up to two target creatures can't block this turn.

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

, : Nightfall Predator fights target creature. (Each deals damage equal to its power to the other.)

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Nightfall Predator.

Bestow (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.

Kicker and/or (You may pay an additional and/or as you cast this spell.)

When Nightscape Battlemage enters, if it was kicked with its kicker, return up to two target nonblack creatures to their owners' hands.

When Nightscape Battlemage enters, if it was kicked with its kicker, destroy target land.

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.)

As long as Nightshade Peddler is paired with another creature, both creatures have deathtouch.

Nightstalker Engine's power is equal to the number of creature cards in your graveyard.

Flying

Whenever Nightveil Specter deals combat damage to a player, that player exiles the top card of their library.

You may play lands and cast spells from among cards exiled with Nightveil Specter.

Vigilance

Threshold — As long as seven or more cards are in your graveyard, Nightwhorl Hermit gets +1/+0 and can't be blocked.

, Sacrifice Nihil Spellbomb: Exile target player's graveyard.

When Nihil Spellbomb is put into a graveyard from the battlefield, you may pay . If you do, draw a card.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Suspend 7— (Rather than cast this card from your hand, you may pay and exile it with seven time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.)

Whenever a card is put into an opponent's graveyard from anywhere, if Nihilith is suspended, you may remove a time counter from Nihilith.

Partner with Yannik, Scavenging Sentinel (When this creature enters, target player may put Yannik into their hand from their library, then shuffle.)

Menace

Whenever another creature you control leaves the battlefield, if it had one or more counters on it, you draw a card and you lose 1 life.

You can't cast noncreature spells.

Whenever you tap a land for mana, add one mana of any type that land produced.

Equipped creature gets +2/+2, has intimidate, and is a black Zombie. (A creature with intimidate can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Whenever a nontoken creature is put into your graveyard from the battlefield, you may pay . If you do, return that card to the battlefield and attach Nim Deathmantle to it.

Equip

, Sacrifice Nim Replica: Target creature gets -1/-1 until end of turn.

Whenever Nimana Sell-Sword or another Ally you control enters, you may put a +1/+1 counter on Nimana Sell-Sword.

Nimble Brigand can't be blocked if you've committed a crime this turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

Whenever Nimble Brigand deals combat damage to a player, draw a card.

When Nimble Innovator enters, draw a card.

Shroud (This creature can't be the target of spells or abilities.)

Threshold — Nimble Mongoose gets +2/+2 as long as seven or more cards are in your graveyard.

Flash

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

When Nimblewright Schematic enters or is put into a graveyard from the battlefield, create a 1/1 colorless Construct artifact creature token.

Toxic 2 (Players dealt combat damage by this creature also get two poison counters.)

When Nimraiser Paladin enters, return target creature card with mana value 3 or less from your graveyard to your hand.

Hexproof

If a source would deal damage to you, prevent that damage and put an incarnation counter on Nine Lives.

When there are nine or more incarnation counters on Nine Lives, exile it.

When Nine Lives leaves the battlefield, you lose the game.

Whenever Nine-Tail White Fox deals combat damage to a player, draw a card.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

+2: Scry 2.

0: Look at the top card of your library. If it's a land card or a creature card with mana value less than or equal to the number of loyalty counters on Nissa, Steward of Elements, you may put that card onto the battlefield.

−6: Untap up to two target lands you control. They become 5/5 Elemental creatures with flying and haste until end of turn. They're still lands.

Whenever you tap a Forest for mana, add an additional .

+1: Put three +1/+1 counters on up to one target noncreature land you control. Untap it. It becomes a 0/0 Elemental creature with vigilance and haste that's still a land.

−8: You get an emblem with "Lands you control have indestructible." Search your library for any number of Forest cards, put them onto the battlefield tapped, then shuffle.

Search your library for up to two basic Forest cards, reveal those cards, and put one onto the battlefield tapped and the rest into your hand. Then shuffle.

Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, search your library for up to three basic Forest cards instead of two.

Scry 5, then reveal the top card of your library. If it's a creature card, you draw cards equal to its power and you gain life equal to its toughness.

: Draw a card, then discard a card.

: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

Flying, hexproof from multicolored

Whenever Niv-Mizzet, Guildpact deals combat damage to a player, it deals X damage to any target, target player draws X cards, and you gain X life, where X is the number of different color pairs among permanents you control that are exactly two colors.

Counter target spell unless its controller pays . If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Flying

Attacking creatures you control get +2/+0.

When Noble Benefactor dies, each player may search their library for a card and put that card into their hand. Then each player who searched their library this way shuffles.

Commander creatures you own have "When this creature enters and at the beginning of your upkeep, each player may put two +1/+1 counters on a creature they control. For each opponent who does, you gain protection from that player until your next turn." (You can't be targeted, dealt damage, or enchanted by anything controlled by that player.)

Flash

When Noble Ox enters the battlefield, all unblocked creatures attacking you become blocked by Noble Ox.

Noble Ox can block any number of creatures.

Whenever a creature you control deals combat damage, you gain that much life.

Whenever a creature you control blocks, you gain 2 life.

Vigilance

Plainscycling (, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)

Noble's Purse enters tapped and with three coin counters on it.

, Remove a coin counter from Noble's Purse: Create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Gift a Food (You may promise an opponent a gift as you cast this spell. If you do, they create a Food token before its other effects. It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Destroy target creature. If the gift wasn't promised, you lose 2 life.