29007 cards found
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
Ood Sphere

Ood Sphere

Plane - Horsehead Nebula
Song of the Ood — Noncreature spells have convoke.
Red-Eye — Whenever chaos ensues, for each opponent, goad up to one target creature that opponent controls. Until your next turn, those creatures can't become tapped unless they're being declared as attackers.
  • Doctor Who
Oona's Blackguard

Oona's Blackguard {1}{B}

Creature - Faerie Rogue
Flying
Each other Rogue creature you control enters the battlefield with an additional +1/+1 counter on it.
Whenever a creature you control with a +1/+1 counter on it deals combat damage to a player, that player discards a card.
1/1
Oona's Gatewarden

Oona's Gatewarden {U/B}

Creature - Faerie Soldier
Defender, flying
Wither
"So now you've seen Glen Elendra. Take a good look. It will be the last thing you'll ever see."
2/1
  • Shadowmoor
Oona's Grace

Oona's Grace {2}{U}

Instant
Target player draws a card.
Retrace
Oona grants her favored subjects a dream from her own guarded heart.
Oona's Prowler

Oona's Prowler {1}{B}

Creature - Faerie Rogue
Flying
Discard a card: Oona's Prowler gets -2/-0 until end of turn. Any player may activate this ability.
Deep in Glen Elendra blossoms Oona, queen of the faeries, nourished by secrets and pollinated by stolen dreams.
3/1
  • Double Masters 2022 85 443
  • Lorwyn
Oona, Queen of the Fae

Oona, Queen of the Fae {3}{U/B}{U/B}{U/B}

Legendary Creature - Faerie Wizard
Flying
{X}{U/B}: Choose a color. Target opponent exiles the top X cards of their library. For each card of the chosen color exiled this way, create a 1/1 blue and black Faerie Rogue creature token with flying.
5/5
Ooze Flux

Ooze Flux {3}{G}

Enchantment
{1}{G}, Remove one or more +1/+1 counters from among creatures you control: Create an X/X green Ooze creature token, where X is the number of +1/+1 counters removed this way.
  • Gatecrash
Ooze Garden

Ooze Garden {1}{G}

Enchantment
{1}{G}, Sacrifice a non-Ooze creature: Create an X/X green Ooze creature token, where X is the sacrificed creature's power. Activate only as a sorcery.
Jund has little necromancy. Instead, the flesh of its dead gives rise to algal fiends.
  • Shards of Alara
Opal Acrolith

Opal Acrolith {2}{W}

Enchantment
Whenever an opponent casts a creature spell, if Opal Acrolith is an enchantment, Opal Acrolith becomes a 2/4 Soldier creature.
{0}: Opal Acrolith becomes an enchantment.
  • Urza's Saga
Opal Archangel

Opal Archangel {4}{W}

Enchantment
When an opponent casts a creature spell, if Opal Archangel is an enchantment, Opal Archangel becomes a 5/5 Angel creature with flying and vigilance.
  • Urza's Saga
Opal Avenger

Opal Avenger {2}{W}

Enchantment
When you have 10 or less life, if Opal Avenger is an enchantment, Opal Avenger becomes a 3/5 Soldier creature.
As the sun grew cold in the realm, the statue grew warm.
  • Urza's Legacy
Opal Caryatid

Opal Caryatid {W}

Enchantment
When an opponent casts a creature spell, if Opal Caryatid is an enchantment, Opal Caryatid becomes a 2/2 Soldier creature.
  • Urza's Saga
Opal Champion

Opal Champion {2}{W}

Enchantment
When an opponent casts a creature spell, if Opal Champion is an enchantment, Opal Champion becomes a 3/3 Knight creature with first strike.
  • Urza's Legacy
Opal Gargoyle

Opal Gargoyle {1}{W}

Enchantment
When an opponent casts a creature spell, if Opal Gargoyle is an enchantment, Opal Gargoyle becomes a 2/2 Gargoyle creature with flying.
  • Urza's Saga
Opal Guardian

Opal Guardian {W}{W}{W}

Enchantment
When an opponent casts a creature spell, if Opal Guardian is an enchantment, Opal Guardian becomes a 3/4 Gargoyle creature with flying and protection from red.
It was a moment in time, cast in stone—a moment whose time had come again.
  • Time Spiral
Opal Lake Gatekeepers

Opal Lake Gatekeepers {3}{U}

Creature - Vedalken Soldier
When Opal Lake Gatekeepers enters the battlefield, if you control two or more Gates, you may draw a card.
Sentries guard Ravnica's landmarks and outlying districts, unaware of these places' import to the maze.
2/4
Opal Palace

Opal Palace

Land
{T}: Add {C}.
{1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.
Opal Titan

Opal Titan {2}{W}{W}

Enchantment
When an opponent casts a creature spell, if Opal Titan is an enchantment, Opal Titan becomes a 4/4 Giant creature with protection from each of that spell's colors.
  • Urza's Saga
Opal-Eye, Konda's Yojimbo

Opal-Eye, Konda's Yojimbo {1}{W}{W}

Legendary Creature - Fox Samurai
Defender
Bushido 1
{T}: The next time a source of your choice would deal damage this turn, that damage is dealt to Opal-Eye, Konda's Yojimbo instead.
{1}{W}: Prevent the next 1 damage that would be dealt to Opal-Eye this turn.
1/4
  • Betrayers of Kamigawa
Opalescence

Opalescence {2}{W}{W}

Enchantment
Each other non-Aura enchantment is a creature in addition to its other types and has base power and base toughness each equal to its mana value.
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 Sliver

Opaline Sliver {1}{W}{U}

Creature - Sliver
All Slivers have "Whenever this permanent becomes the target of a spell an opponent controls, you may draw a card."
"When struck, its hide shimmers through sequences of color—a signaling language I am eager to unravel."
—Rukarumel, field journal
2/2
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
Open Fire

Open Fire {2}{R}

Instant
Open Fire deals 3 damage to any target.
Some khenra archers fashion their arrows with a personal touch.