6004 cards found
Omniclown Colossus

Omniclown Colossus {8}{R}{R}

Artifact Creature - Clown Robot
Affinity for Clowns (This spell costs {1} less to cast for each Clown you control.)
Trample
7/7
Card has other part: Pie-roclasm
Omniscience

Omniscience {7}{U}{U}{U}

Enchantment
You may cast spells from your hand without paying their mana costs.
"The things I once imagined would be my greatest achievements were only the first steps toward a future I can only begin to fathom."
—Jace Beleren
On the Job

On the Job {2}{W}{W}

Instant
Creatures you control get +2/+1 until end of turn. Investigate.
For all their differences, Kaya, Kellan, and Agrus Kos agreed on one thing: none of them would rest until Teysa's murderer was brought to justice.
  • Murders at Karlov Manor 30 292
Once More with Feeling

Once More with Feeling {W}{W}{W}{W}

Sorcery
Exile all permanents and all cards from all graveyards. Each player shuffles their hand into their library, then draws seven cards. Each player's life total becomes 10. Exile Once More with Feeling.
DCI ruling — A deck can have only one card named Once More with Feeling.
If yo . . . ted.
  • Unglued
Ondu Champion

Ondu Champion {2}{R}{R}

Creature - Minotaur Warrior Ally
Rally — Whenever this creature or another Ally you control enters, creatures you control gain trample until end of turn.
"Put a minotaur at the head of an army and suddenly all the soldiers act like they have horns."
—Gideon Jura
4/3
Ondu Inversion
Ondu Skyruins

Ondu Inversion {6}{W}{W}

Sorcery
Destroy all nonland permanents.
"At first rumble you'd best hold on tight and pray to any gods you still hold dear."
—Nys Dal, Sea Gate trapfinder
Card has other part: Ondu Skyruins
One Ring to Rule Them All

One Ring to Rule Them All {2}{B}{B}

Enchantment - Saga
I — The Ring tempts you, then each player mills cards equal to your Ring-bearer's power.
II — Destroy all nonlegendary creatures.
III — Each opponent loses 1 life for each creature card in that player's graveyard.
Related cards: The Ring The Ring Tempts You
One with the Multiverse

One with the Multiverse {6}{U}{U}

Enchantment
You may look at the top card of your library any time.
You may play lands and cast spells from the top of your library.
Once during each of your turns, you may cast a spell from your hand or the top of your library without paying its mana cost.
Opal Guardian

Opal Guardian {W}{W}{W}

Enchantment
When an opponent casts a creature spell, if this permanent is an enchantment, this enchantment 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 Titan

Opal Titan {2}{W}{W}

Enchantment
When an opponent casts a creature spell, if this permanent is an enchantment, it 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 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.
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 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 Vaults

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

Sorcery
Return all artifact and enchantment cards from all graveyards to the battlefield under their owners' control.
When the vaults are empty, everyone is rich.
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
Opportunistic Dragon

Opportunistic Dragon {2}{R}{R}

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

Opportunity {4}{U}{U}

Instant
Target player draws four cards.
"Opportunity isn't something you wait for. It's something you create."
Opposition

Opposition {2}{U}{U}

Enchantment
Tap an untapped creature you control: Tap target artifact, creature, or land.
Exhausting a wizard can be exhausting work.
Oppression

Oppression {1}{B}{B}

Enchantment
Whenever a player casts a spell, that player discards a card.
"Defeating an enemy is not nearly as satisfying as watching one suffer."
—The Western Paladin
Oracle of Bones

Oracle of Bones {2}{R}{R}

Creature - Minotaur Shaman
Haste
Tribute 2
When this creature enters, if tribute wasn't paid, you may cast an instant or sorcery spell from your hand without paying its mana cost.
3/1
  • Born of the Gods
Oran-Rief Hydra

Oran-Rief Hydra {4}{G}{G}

Creature - Hydra
Trample
Landfall — Whenever a land you control enters, put a +1/+1 counter on this creature. If that land is a Forest, put two +1/+1 counters on this creature instead.
5/5
Orazca Raptor

Orazca Raptor {2}{R}{R}

Creature - Dinosaur
"If you come across a raptor in the city, stay perfectly still. At least then you'll be well rested when you die."
—Captain Brandis Thorn
3/4
  • Rivals of Ixalan
Orbweaver Kumo

Orbweaver Kumo {4}{G}{G}

Creature - Spirit
Reach
Whenever you cast a Spirit or Arcane spell, this creature gains forestwalk until end of turn.
3/4
  • Champions of Kamigawa