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.

Exile an instant or sorcery spell you control: Put two +1/+1 counters on Nivmagus Elemental. (That spell won't resolve.)

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.

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.)

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.

Noggle Bandit can't be blocked except by creatures with defender.

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.

Dragon spells you cast cost less to cast.

Whenever Nogi, Draco-Zealot attacks, if you control three or more Dragons, until end of turn, Nogi becomes a Dragon with base power and toughness 5/5 and gains flying.

Flying

Any time you could mulligan and No-Regrets Egret is in your hand, you may reveal No-Regrets Egret. If you do, look at the top two cards of your library. (Put those cards back in the same order. You can still mulligan.)

, Sacrifice Nosy Goblin: Destroy target face-down creature.

Prowl (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.)

Create X 1/1 black Faerie Rogue creature tokens with flying, where X is the damage dealt to your opponents this turn. If this spell's prowl cost was paid, take an extra turn after this one.

Defender (This creature can't attack.)

As long as Novice Knight is enchanted or equipped, it can attack as though it didn't have defender.

: Add .

, : Put a +1/+1 counter on each creature that entered this turn.

Menace

When Noxious Gearhulk enters, you may destroy another target creature. If a creature is destroyed this way, you gain life equal to its toughness.

Destroy target creature or planeswalker that's green or white. You gain 1 life.

Noxious Hatchling enters with four -1/-1 counters on it.

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

Whenever you cast a black spell, remove a -1/-1 counter from Noxious Hatchling.

Whenever you cast a green spell, remove a -1/-1 counter from Noxious Hatchling.

, : Create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Whenever you sacrifice a Food, create a tapped Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Tap four untapped creatures you control: Destroy target artifact or enchantment.

When Nulltread Gargantuan enters, put a creature you control on top of its owner's library.

Enchant artifact or creature

Enchanted permanent doesn't untap during its controller's untap step.

At the beginning of the upkeep of enchanted permanent's controller, that player loses 1 life.

Put target creature card from an opponent's graveyard onto the battlefield tapped under your control, then exile that player's graveyard.

When Nurturing Bristleback enters, create a 3/3 green Dinosaur creature token.

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

, Pay 1 life: Add or .

, , Sacrifice Nurturing Peatland: Draw a card.

Enchant creature

Enchanted creature has "Whenever a creature you control enters, this creature gets +1/+1 until end of turn."

When Nurturing Presence enters, create a 1/1 white Spirit creature token with flying.

Indestructible

As long as your devotion to green is less than five, Nylea isn't a creature. (Each in the mana costs of permanents you control counts toward your devotion to green.)

Other creatures you control have trample.

: Target creature gets +2/+2 until end of turn.

Vigilance, trample

: Add .

: Add . Spend this mana only to cast a creature spell.

, : Put a +1/+1 counter on each Frog, Rabbit, Raccoon, or Squirrel you control that entered the battlefield this turn.

At the beginning of each player's upkeep, that player chooses target player whose graveyard has fewer creature cards in it than their graveyard does and is their opponent. The first player may return a creature card from their graveyard to their hand.

At the beginning of each player's upkeep, that player chooses target player who controls more lands than they do and is their opponent. The first player may search their library for a basic land card, put that card onto the battlefield, then shuffle.

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

I — You and target opponent each create a Food token.

II — Each opponent loses 3 life. Create a Treasure token.

III — Create three tapped 1/1 white Spirit creature tokens with flying.

Oathsworn Knight enters with four +1/+1 counters on it.

Oathsworn Knight attacks each combat if able.

If damage would be dealt to Oathsworn Knight while it has a +1/+1 counter on it, prevent that damage and remove a +1/+1 counter from it.

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.

: Add , , or .

Obliterating Bolt deals 4 damage to target creature or planeswalker. If that creature or planeswalker would die this turn, exile it instead.

When Oblivion Ring enters, exile another target nonland permanent.

When Oblivion Ring leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Face-down creature spells you cast cost less to cast.

: Turn Obscuring Aether face down. (It becomes a 2/2 creature.)

Obstinate Gargoyle has flying as long as it's modified. (Equipment, Auras you control, and counters are modifications.)

Persist (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.)

When Obzedat, Ghost Council enters, target opponent loses 2 life and you gain 2 life.

At the beginning of your end step, you may exile Obzedat. If you do, return it to the battlefield under its owner's control at the beginning of your next upkeep. It gains haste.

This spell costs less to cast if you have eight or more instant and/or sorcery cards in your graveyard.

Ward

Magecraft — Whenever you cast or copy an instant or sorcery spell, target creature has base power and toughness 8/8 until end of turn.

Counter target spell unless its controller pays . You gain 4 life.

At the beginning of combat on your turn, exile target red, white, or black creature card from your graveyard. Create a token that's a copy of that card, except it's 1/1. It gains haste until your next turn.

At the beginning of your upkeep, look at the top two cards of your library, then put one of them into your graveyard.

Whenever a creature card is put into your graveyard from your library or hand, it perpetually gains "When this card leaves your graveyard, create a tapped 2/2 black Zombie creature token."

When Ogre Arsonist enters, destroy target land.

Whenever another creature you control enters, that creature gets +2/+0 and gains haste until end of turn. (It can attack and this turn.)

Menace

Whenever Ogre Chitterlord enters or attacks, create two 1/1 black Rat creature tokens with "This creature can't block." Then if you control five or more Rats, each Rat you control gets +2/+0 until end of turn.

Whenever Ogre Errant attacks, another target attacking Knight gains menace until end of turn. (It can't be blocked except by two or more creatures.)

Whenever Ogre Geargrabber attacks, gain control of target Equipment an opponent controls until end of turn. Attach it to Ogre Geargrabber. When you lose control of that Equipment, unattach it.

Whenever Ogre Leadfoot becomes blocked by an artifact creature, destroy that creature.