31282 cards found
Oni of Wild Places

Oni of Wild Places {5}{R}

Creature - Demon Spirit
Haste
At the beginning of your upkeep, return a red creature you control to its owner's hand.
The oni leapt easily from peak to peak, toying with its victims, its voice a purr from the rumbling depths of nightmare.
6/5
Oni of Wild Places Avatar

Oni of Wild Places Avatar

Vanguard
Creatures you control have haste.
At the beginning of your upkeep, return a creature you control to its owner's hand.
Hand size bonus: +0
Life bonus: -2
  • Magic Online Avatars
Oni-Cult Anvil

Oni-Cult Anvil {B}{R}

Artifact
Whenever one or more artifacts you control leave the battlefield during your turn, create a 1/1 colorless Construct artifact creature token. This ability triggers only once each turn.
{T}, Sacrifice an artifact: Oni-Cult Anvil deals 1 damage to each opponent. You gain 1 life.
Only Blood Ends Your Nightmares

Only Blood Ends Your Nightmares

Scheme
When you set this scheme in motion, each opponent sacrifices a creature. Then each opponent who didn't sacrifice a creature discards two cards.
"But nothing will end your regret."
  • Archenemy Schemes
Only I Know What Awaits

Only I Know What Awaits

Scheme
When you set this scheme in motion, for each card type among permanents your opponents control, you may put a permanent card of that type from your hand onto the battlefield.
"I will multiply your fears until your body melts in on itself and you drown in the tears of your own terrified mind."
  • Duskmourn: House of Horror Commander
Only the Best

Only the Best {1}{W}

Sorcery - Adventure
Return target Booster Fun card from your graveyard to your hand.
Card has other part: Collectigull
  • 2019 Heroes of the Realm
Onslaught

Onslaught {R}

Enchantment
Whenever you cast a creature spell, tap target creature.
The last thing to go through the mogg's mind was its teeth.
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
Onward

Onward {2}{R}

Instant
Target creature gets +X/+0 until end of turn, where X is its power.
Card has other part: Victory
Onyx Goblet

Onyx Goblet {2}{B}

Artifact
{T}: Target player loses 1 life.
The goblet was a gift from the sphinx Gorael, who hoped humans and vedalken would eventually destroy each other to acquire it, leaving all of Esper to her own kind.
  • Shards of Alara
Onyx Mage

Onyx Mage {1}{B}

Creature - Human Wizard
{1}{B}: Target creature you control gains deathtouch until end of turn.
"We wield death and darkness, powers that make lesser mages tremble in fear."
—Onyx creed
2/1
  • Magic 2012
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 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