Whenever Murasa Pyromancer or another Ally you control enters, you may have Murasa Pyromancer deal damage to target creature equal to the number of Allies you control.

(: Add .)

As Murmuring Bosk enters, you may reveal a Treefolk card from your hand. If you don't, Murmuring Bosk enters tapped.

: Add or . Murmuring Bosk deals 1 damage to you.

Target creature you control with a +1/+1 counter on it fights target creature an opponent controls. (Each deals damage equal to its power to the other.)

Target creature an opponent controls deals damage equal to its power to another target creature that player controls.

Myojin of Roaring Blades enters with an indestructible counter on it if you cast it from your hand.

Remove an indestructible counter from Myojin of Roaring Blades: It deals 7 damage to each of up to three targets.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

, Pay 2 life: Add one mana of any color.

Mythos of Vadrok deals 5 damage divided as you choose among any number of target creatures and/or planeswalkers. If was spent to cast this spell, until your next turn, those permanents can't attack or block and their activated abilities can't be activated.

Whenever Nafs Asp deals damage to a player, that player loses 1 life at the beginning of their next draw step unless they pay before that draw step.

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.

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.

As an additional cost to cast this spell, discard X cards.

Nahiri's Wrath deals damage equal to the total mana value of the discarded cards to each of up to X target creatures and/or planeswalkers.

+1: You gain 2 life. Add , , or . Spend this mana only to cast a noncreature spell.

−2: Draw a card, then you may discard a card. When you discard a nonland card this way, Narset of the Ancient Way deals damage equal to that card's mana value to target creature or planeswalker.

−6: You get an emblem with "Whenever you cast a noncreature spell, this emblem deals 2 damage to any target."

Target creature you control gains vigilance and trample until end of turn. It deals damage equal to its power to target creature you don't control.

Flying

When Nautiloid Ship enters, exile target player's graveyard.

Whenever Nautiloid Ship deals combat damage to a player, you may put a creature card exiled with Nautiloid Ship onto the battlefield under your control.

Crew 3

, : Add one mana of any color.

, : Prevent the next 1 damage that would be dealt to any target this turn.

Target creature gains deathtouch until end of turn. Regenerate it. (The next time that creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat. Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)

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

Whenever a creature you control with toxic deals combat damage to a player, that player gets an additional poison counter.

: Target creature you control with toxic gains deathtouch until end of turn.

Flying

Whenever Necromaster Dragon deals combat damage to a player, you may pay . If you do, create a 2/2 black Zombie creature token and each opponent mills two cards.

Flying

Whenever a creature you control deals combat damage to a player, put that many +1/+1 counters on it.

Flying

, : Target Faerie or Elf gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)

Flying

Wither (This deals damage to creatures in the form of -1/-1 counters.)

Whenever Needle Specter deals combat damage to a player, that player discards that many cards.

Enrage — Whenever Needletooth Raptor is dealt damage, it deals 5 damage to target creature an opponent controls.

Trample

Whenever Neheb, Dreadhorde Champion deals combat damage to a player or planeswalker, you may discard any number of cards. If you do, draw that many cards and add that much . Until end of turn, you don't lose this mana as steps and phases end.

Whenever equipped creature deals damage to a creature, tap that creature. That creature doesn't untap during its controller's untap step for as long as Neko-Te remains on the battlefield.

Whenever equipped creature deals damage to a player, that player loses 1 life.

Equip

Vigilance

Whenever Nelly Borca, Impulsive Accuser attacks, suspect target creature. Then goad all suspected creatures. (A suspected creature has menace and can't block.)

Whenever one or more creatures an opponent controls deal combat damage to one or more of your opponents, you and the controller of those creatures each draw a card.

Tribute 6 (As this creature enters, an opponent of your choice may put six +1/+1 counters on it.)

When Nessian Wilds Ravager enters, if tribute wasn't paid, you may have Nessian Wilds Ravager fight another target creature. (Each deals damage equal to its power to the other.)

Devoid (This card has no color.)

: Nettle Drone deals 1 damage to each opponent.

Whenever you cast a colorless spell, untap Nettle Drone.

Flying

Whenever one or more Faeries you control deal combat damage to a player, that player creates a 4/2 red Pirate creature token with "This creature can't block." The token is goaded for the rest of the game. (It attacks each combat if able and attacks a player other than you if able.)

Rogue Trader — Whenever Neyam Shai Murad deals combat damage to a player, you may have that player return target permanent card from their graveyard to their hand. If you do, that player chooses a permanent card in your graveyard, then you put it onto the battlefield under your control.

+2: Target opponent exiles cards from the top of their library until they exile a nonland card. Until end of turn, you may cast that card without paying its mana cost.

+1: Each opponent exiles two cards from their hand.

−4: Nicol Bolas, God-Pharaoh deals 7 damage to target opponent, creature an opponent controls, or planeswalker an opponent controls.

−12: Exile each nonland permanent your opponents control.

+2: Draw two cards.

−3: Nicol Bolas, the Arisen deals 10 damage to target creature or planeswalker.

−4: Put target creature or planeswalker card from a graveyard onto the battlefield under your control.

−12: Exile all but the bottom card of target player's library.

Whenever a source you control deals damage to another player, put that many theft counters on Night Dealings.

, Remove X theft counters from Night Dealings: Search your library for a nonland card with mana value X, reveal it, put it into your hand, then shuffle.

Nightfire Giant gets +1/+1 as long as you control a Mountain.

: Nightfire Giant deals 2 damage to any target.

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.

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.

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.

: Nine-Ringed Bo deals 1 damage to target Spirit creature. If that creature would die this turn, exile it instead.

You may activate Ninja's augment ability any time you could cast an instant.

Whenever this creature deals combat damage to a player,

Augment (, Reveal this card from your hand: Combine it with target host. Augment only as—oh, nevermind.)

Equipped creature has ", , Sacrifice Ninja's Kunai: Ninja's Kunai deals 3 damage to any target."

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Whenever you gain life, Nirkana Assassin gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)

Flying

Whenever Niv-Mizzet, Dracogenius deals damage to a player, you may draw a card.

: Niv-Mizzet, Dracogenius deals 1 damage to any target.

This spell can't be countered.

Flying

Whenever you draw a card, Niv-Mizzet, Parun deals 1 damage to any target.

Whenever a player casts an instant or sorcery spell, you draw a card.

Whenever a creature deals damage to you, destroy it.

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.)

Flying

: Prevent the next 1 damage that would be dealt to target player or planeswalker this turn.

When Noggle Hedge-Mage enters, if you control two or more Islands, you may tap two target permanents.

When Noggle Hedge-Mage enters, if you control two or more Mountains, you may have Noggle Hedge-Mage deal 2 damage to target player or planeswalker.

: Add . Nomad Stadium deals 1 damage to you.

Threshold — , , Sacrifice Nomad Stadium: You gain 4 life. Activate only if seven or more cards are in your graveyard.

When Non-Human Cannonball dies, roll a six-sided die. If the result is 4 or less, Non-Human Cannonball deals that much damage to you.

Surveil 2, then draw two cards. Notion Rain deals 2 damage to you. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)