2015 cards found
Oasis Gardener

Oasis Gardener {3}

Artifact Creature - Scarecrow
When Oasis Gardener enters, you gain 2 life.
{T}: Add one mana of any color.
"I think the blasted thing's actually attracting more birds, but all the same, the garden's never looked better."
—Jay Marigold, homesteader
2/2
  • Outlaws of Thunder Junction
Oathkeeper, Takeno's Daisho

Oathkeeper, Takeno's Daisho {3}

Legendary Artifact - Equipment
Equipped creature gets +3/+1.
Whenever equipped creature dies, return that card to the battlefield under your control if it's a Samurai card.
When Oathkeeper, Takeno's Daisho is put into a graveyard from the battlefield, exile equipped creature.
Equip {2}
  • Champions of Kamigawa
Obelisk of Bant

Obelisk of Bant {3}

Artifact
{T}: Add {G}, {W}, or {U}.
Whether incorporated into the structure of castles or admired as lone symbols, the obelisks stand for Bant's values of loyalty, honor, and truth.
  • Shards of Alara
Obelisk of Esper

Obelisk of Esper {3}

Artifact
{T}: Add {W}, {U}, or {B}.
It is a monument as austere, unyielding, and inscrutable as Esper itself.
Obelisk of Grixis

Obelisk of Grixis {3}

Artifact
{T}: Add {U}, {B}, or {R}.
Like most features of Grixis, the obelisks that remain from the time of Alara now exist only for dark exploitation.
Obelisk of Jund

Obelisk of Jund {3}

Artifact
{T}: Add {B}, {R}, or {G}.
Volcanic ash-winds batter it, climbing vines overwhelm it, dragonfire roasts it, and yet it still stands as a testament to a forgotten world.
Obelisk of Naya

Obelisk of Naya {3}

Artifact
{T}: Add {R}, {G}, or {W}.
Centuries have passed since the plane shattered, yet the obelisks of each shard faithfully serve their long-forgotten purpose.
  • Shards of Alara
Obelisk of Undoing

Obelisk of Undoing {1}

Artifact
{6}, {T}: Return target permanent you both own and control to your hand.
The Battle of Tomakul taught Urza not to rely on fickle reinforcements.
Related card: Golgothian Sylex
Oblivion Stone

Oblivion Stone {3}

Artifact
{4}, {T}: Put a fate counter on target permanent.
{5}, {T}, Sacrifice Oblivion Stone: Destroy each nonland permanent without a fate counter on it, then remove all fate counters from all permanents.
Obsidian Battle-Axe

Obsidian Battle-Axe {3}

Kindred Artifact - Warrior Equipment
Equipped creature gets +2/+1 and has haste.
Whenever a Warrior creature enters, you may attach Obsidian Battle-Axe to it.
Equip {3}
It's the flint that sparks a warrior's rage.
Obsidian Obelisk

Obsidian Obelisk {2}

Artifact
Obsidian Obelisk enters tapped.
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a multicolored spell.
  • Dominaria United Commander 18 94
Ogre's Cleaver

Ogre's Cleaver {2}

Artifact - Equipment
Equipped creature gets +5/+0.
Equip {5}
She adopted the weapon of the slave-lord Kazuul, and with it, all his cruelty.
  • Rise of the Eldrazi
Ojutai Monument

Ojutai Monument {3}

Artifact
{T}: Add {W} or {U}.
{4}{W}{U}: Ojutai Monument becomes a 4/4 white and blue Dragon artifact creature with flying until end of turn.
Ojutai spends time at all his strongholds, but he most favors Cori Stronghold for his meditation.
  • Dragons of Tarkir
Oketra's Monument

Oketra's Monument {3}

Legendary Artifact
White creature spells you cast cost {1} less to cast.
Whenever you cast a creature spell, create a 1/1 white Warrior creature token with vigilance.
"The worthy shall respect the worthy. In the afterlife, all will stand united."
—Monument inscription
Omega Myr

Omega Myr {2}

Artifact Creature - Myr
Last to charge, last to fall.
1/2
  • Mirrodin
Ominous Parcel

Ominous Parcel {1}

Artifact
{2}, {T}, Sacrifice Ominous Parcel: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
{5}, {T}, Sacrifice Ominous Parcel: It deals 4 damage to target creature.
The rest of Anhelo's assistant arrived over the following week.
Related card: Ominous Parcel (Alchemy)
  • Streets of New Capenna
Ominous Parcel (Alchemy)

Ominous Parcel (Alchemy) {1}

Artifact
{1}, {T}, Sacrifice Ominous Parcel: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
{5}, {T}, Sacrifice Ominous Parcel: It deals 4 damage to target creature.
Related card: Ominous Parcel
  • Streets of New Capenna
Ominous Traveler

Ominous Traveler {2}

Creature - Human
When Ominous Traveler enters the battlefield, draft a card from Ominous Traveler's spellbook. That card perpetually gains "You may spend mana as though it were mana of any color to cast this spell" and "When you cast this spell, return a creature named Ominous Traveler you control to its owner's hand."
1/1
Related cards: Archghoul of Thraben Bladestitched Skaab Champion of the Perished Dominating Vampire Falkenrath Pit Fighter Headless Rider Heron-Blessed Geist Howlpack Piper Patrician Geist Shipwreck Sifters Steelclad Spirit Stromkirk Bloodthief Tovolar, Dire Overlord Tovolar, the Midnight Scourge Vampire Socialite Wedding Crasher Wildsong Howler Wolfkin Outcast
  • Alchemy: Innistrad
Omnipresent Impostor

Omnipresent Impostor {2}

Basic Creature - Shapeshifter
Changeling
Omnipresent Impostor has all card names.
As you search your library for one or more cards, you may choose Omnipresent Impostor as one of those cards. (For example, if you search for two land cards, you may find Omnipresent Impostor and a land card.)
2/1
  • Mystery Booster 2
One-Eyed Scarecrow

One-Eyed Scarecrow {3}

Artifact Creature - Scarecrow
Defender
Creatures with flying your opponents control get -1/-0.
Farmhands and priests mutter curses at the ragged thing; it unnerves more than just the crows.
2/3
  • Innistrad
Onulet

Onulet {3}

Artifact Creature - Construct
When Onulet dies, you gain 2 life.
An early inspiration for Urza, Tocasia's Onulets contained magical essences that could be cannibalized after they stopped functioning.
2/2
Related card: Golgothian Sylex
Onyx Talisman

Onyx Talisman {2}

Artifact
Whenever a player casts a black spell, you may pay {3}. If you do, untap target permanent.
  • Ice Age
Opaline Bracers

Opaline Bracers {4}

Artifact - Equipment
Sunburst
Equipped creature gets +X/+X, where X is the number of charge counters on Opaline Bracers.
Equip {2}
  • Fifth Dawn
Opaline Unicorn

Opaline Unicorn {3}

Artifact Creature - Unicorn
{T}: Add one mana of any color.
Purphoros once loved Nylea, the god of the hunt. His passion inspired his most astounding works of art.
1/2
Oracle's Vault

Oracle's Vault {4}

Artifact
{2}, {T}: Exile the top card of your library. Until end of turn, you may play that card. Put a brick counter on Oracle's Vault.
{T}: Exile the top card of your library. Until end of turn, you may play that card without paying its mana cost. Activate only if there are three or more brick counters on Oracle's Vault.