20472 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 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
Onward

Onward {2}{R}

Instant
Target creature gets +X/+0 until end of turn, where X is its power.
Card has other part: Victory
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 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
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
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.
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
  • Conspiracy: Take the Crown
  • Theros
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.
Open into Wonder

Open into Wonder {X}{U}{U}

Sorcery
X target creatures can't be blocked this turn. Until end of turn, those creatures gain "Whenever this creature deals combat damage to a player, draw a card."
The one thing the Gatewatch didn't expect to find on a plane ruled by Nicol Bolas was perfection.
Open the Armory

Open the Armory {1}{W}

Sorcery
Search your library for an Aura or Equipment card, reveal it, put it into your hand, then shuffle.
"Once Avacyn returned, I hoped I'd never need these things again. I didn't think I'd be dusting them off to use against angels."
Open the Gates

Open the Gates {G}

Sorcery
Search your library for a basic land card or Gate card, reveal it, put it into your hand, then shuffle.
"If you don't have a destination in mind, the route is all that matters."
—Tamina, district guide
Open the Graves

Open the Graves {3}{B}{B}

Enchantment
Whenever a nontoken creature you control dies, create a 2/2 black Zombie creature token.
It was a night like any other. It would soon become a night no one would ever forget.
Open the Omenpaths

Open the Omenpaths {2}{R}

Instant
Choose one —
• Add two mana of any one color and two mana of any other color. Spend this mana only to cast creature or enchantment spells.
• Creatures you control get +1/+0 until end of turn.
  • Kaldheim
Open the Vaults

Open the Vaults {4}{W}{W}

Sorcery
Return all artifact and enchantment cards from all graveyards to the battlefield under their owners' control.
"It may be time to leave, but I'll never forget the day you all entered Vault 76."
—Overseer
Open the Way

Open the Way {X}{G}{G}

Sorcery
X can't be greater than the number of players in the game.
Reveal cards from the top of your library until you reveal X land cards. Put those land cards onto the battlefield tapped and the rest on the bottom of your library in a random order.
Opening Ceremony

Opening Ceremony {4}{R}{R}

Sorcery
Add {W}{U}{B}{R}{G}{C}. You may open a sealed Magic booster pack. Until end of turn, you may cast spells from among the cards in that booster pack.
"Oooooh!"
—The crowd
"Aaaaaaaaah!"
—Also the crowd
  • Unfinity 118 404
Ophidian

Ophidian {2}{U}

Creature - Snake
Whenever Ophidian attacks and isn't blocked, you may draw a card. If you do, Ophidian assigns no combat damage this turn.
1/3
Ophiomancer

Ophiomancer {2}{B}

Creature - Human Shaman
At the beginning of each upkeep, if you control no Snakes, create a 1/1 black Snake creature token with deathtouch.
"There are dark, ancient arts that fascinate even me."
—Sorin Markov
2/2
Opportunistic Dragon

Opportunistic Dragon {2}{R}{R}

Creature - Dragon
Flying
When Opportunistic Dragon enters the battlefield, choose target Human or artifact an opponent controls. For as long as Opportunistic Dragon remains on the battlefield, gain control of that permanent, it loses all abilities, and it can't attack or block.
4/3