: Add , , or .

: Add , , or .

: Add , , or .

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

As Obelisk of Urd enters, choose a creature type.

Creatures you control of the chosen type get +2/+2.

The owner of target nonland permanent shuffles it into their library, then draws two cards.

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

Flash (You may cast this spell any time you could cast an instant.)

Enchant creature

Enchanted creature has "Discard a card: This creature gets +1/+1 until end of turn."

When you cast this spell, target opponent exiles the top four cards of their library, then you may put any number of land cards that player owns from exile onto the battlefield under your control.

Devoid (This card has no color.)

Exile target creature.

At the beginning of your end step, you may draw a card. If you do, discard a card unless a permanent entered the battlefield face down under your control this turn or you turned a permanent face up this turn.

Companion — Your starting deck contains only cards with odd mana values and land cards. (If this card is your chosen companion, you may put it into your hand from outside the game for as a sorcery.)

If a source you control with an odd mana value would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Flash

Lifelink

When Obscura Interceptor enters, it connives. When it connives this way, return up to one target spell to its owner's hand. (To have a creature connive, draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature.)

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

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

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.)

Vigilance

Enchanted creature gets +2/+2 and has vigilance.

Flying, ward

Whenever Obsessive Collector deals combat damage to a player, seek a card with mana value equal to the number of cards in your hand.

When Obsessive Skinner enters, put a +1/+1 counter on target creature.

Delirium — At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, put a +1/+1 counter on target creature.

Equipped creature gets +2/+1 and has haste.

Whenever a Warrior creature enters, you may attach Obsidian Battle-Axe to it.

Equip

: Put a blaze counter on target land without a blaze counter on it. For as long as that land has a blaze counter on it, it has "At the beginning of your upkeep, this land deals 1 damage to you." (The land continues to burn after Obsidian Fireheart has left the battlefield.)

Obsidian Obelisk enters tapped.

: Add .

: Add one mana of any color. Spend this mana only to cast a multicolored spell.

If you would draw a card, you may skip that draw instead.

Flash

Flying

Whenever another Faerie you control enters, each opponent loses 1 life.

Return target permanent card from your graveyard to the battlefield.

First strike, lifelink

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

At the beginning of your end step, if you gained life this turn, create a 1/1 white Cat creature token. Then if you have the city's blessing, for each token you control that entered this turn, create a token that's a copy of it.

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.

: Regenerate Odious Trow.

When Odric, Blood-Cursed enters, create X Blood tokens, where X is the number of abilities from among flying, first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance found among creatures you control. (Count each ability only once.)

First strike (This creature deals combat damage before creatures without first strike.)

Whenever Odric, Master Tactician and at least three other creatures attack, you choose which creatures block this combat and how those creatures block.

When Odunos River Trawler enters, return target enchantment creature card from your graveyard to your hand.

, Sacrifice Odunos River Trawler: Return target enchantment creature card from your graveyard to your hand.

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

I — Put a +1/+1 counter on up to one target creature. Create a Food token.

II — Draw a card. Create a Food token.

III — Create a 1/1 white Halfling creature token for each Food you control.

Target creature gains deathtouch and indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

This spell costs more to cast for each target beyond the first.

Choose any number of target players. Investigate X times, where X is the total number of creatures those players control.

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.

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.

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

: Ogre Menial gets +1/+0 until end of turn.

: Destroy target creature that was dealt damage this turn.

Reach

Untap all Archers you control during each other player's untap step.

Whenever an Archer you control deals damage to a creature, you may pay . If you do, draw a card.

: Target snow creature gains first strike until end of turn. ( can be paid with one mana from a snow source.)

Trample

If a red source you control would deal an amount of noncombat damage less than Ojer Axonil's power to an opponent, that source deals damage equal to Ojer Axonil's power instead.

When Ojer Axonil dies, return it to the battlefield tapped and transformed under its owner's control.

Vigilance

If one or more creature tokens would be created under your control, three times that many of those tokens are created instead.

When Ojer Taq dies, return it to the battlefield tapped and transformed under its owner's control.

Whenever you cast a noncreature spell, choose one —

• Tap target creature.

• Ojutai Exemplars gains first strike and lifelink until end of turn.

• Exile Ojutai Exemplars, then return it to the battlefield tapped under its owner's control.

: Add or .

: Ojutai Monument becomes a 4/4 white and blue Dragon artifact creature with flying until end of turn.

Tap target creature. It doesn't untap during its controller's next untap step.

Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Create a 2/2 blue Djinn Monk creature token with flying.

Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Flying, trample

Whenever O-Kagachi, Vengeful Kami deals combat damage to a player, if that player attacked you during their last turn, exile target nonland permanent that player controls.

Return target creature or Vehicle card from your graveyard to the battlefield. Then put two +1/+1 counters on that permanent if you control an artifact and an enchantment.

As long as you have more cards in hand than each opponent, Okina Nightwatch gets +3/+3.

At the beginning of combat on your turn, Oko, the Ringleader becomes a copy of up to one target creature you control until end of turn, except he has hexproof.

+1: Draw two cards. If you've committed a crime this turn, discard a card. Otherwise, discard two cards.

−1: Create a 3/3 green Elk creature token.

−5: For each other nonland permanent you control, create a token that's a copy of that permanent.

+2: Create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

+1: Target artifact or creature loses all abilities and becomes a green Elk creature with base power and toughness 3/3.

−5: Exchange control of target artifact or creature you control and target creature an opponent controls with power 3 or less.