29661 cards found
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
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 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
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 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 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.
Oppressive Rays

Oppressive Rays {W}

Enchantment - Aura
Enchant creature
Enchanted creature can't attack or block unless its controller pays {3}.
Activated abilities of enchanted creature cost {3} more to activate.
Ordeal of Heliod

Ordeal of Heliod {1}{W}

Enchantment - Aura
Enchant creature
Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Heliod.
When you sacrifice Ordeal of Heliod, you gain 10 life.
Order

Order {3}{W}

Instant
Exile target attacking creature.
Card has other part: Chaos
Organic Extinction

Organic Extinction {8}{W}{W}

Sorcery
Improvise
Destroy all nonartifact creatures.
"Technology evolves faster than a blade can swing."
—Arima, lead inventor of the Futurists
Orim's Chant

Orim's Chant {W}

Instant
Kicker {W}
Target player can't cast spells this turn. If this spell was kicked, creatures can't attack this turn.
Orim's Cure

Orim's Cure {1}{W}

Instant
If you control a Plains, you may tap an untapped creature you control rather than pay this spell's mana cost.
Prevent the next 4 damage that would be dealt to any target this turn.
  • Mercadian Masques
Orim's Prayer

Orim's Prayer {1}{W}{W}

Enchantment
Whenever one or more creatures attack you, you gain 1 life for each attacking creature.
"As usual, there will be time for prayer only after the worst happens."
—Orim, Samite healer
  • Tempest
Orim's Thunder

Orim's Thunder {2}{W}

Instant
Kicker {R}
Destroy target artifact or enchantment. If this spell was kicked, it deals damage equal to that permanent's mana value to target creature.
Orim's Touch

Orim's Touch {W}

Instant
Kicker {1}
Prevent the next 2 damage that would be dealt to any target this turn. If this spell was kicked, prevent the next 4 damage that would be dealt to that permanent or player this turn instead.
  • Invasion
Ossification

Ossification {1}{W}

Enchantment - Aura
Enchant basic land you control
When Ossification enters the battlefield, exile target creature or planeswalker an opponent controls until Ossification leaves the battlefield.
Only Elesh Norn's most loyal servants are granted the honor of becoming part of her throne.
  • Phyrexia: All Will Be One 26 277
Oteclan Landmark
Oteclan Levitator

Oteclan Landmark {W}

Artifact
When Oteclan Landmark enters the battlefield, scry 2.
Craft with artifact {2}{W}
Card has other part: Oteclan Levitator
  • The Lost Caverns of Ixalan
Otherworldly Journey

Otherworldly Journey {1}{W}

Instant - Arcane
Exile target creature. At the beginning of the next end step, return that card to the battlefield under its owner's control with a +1/+1 counter on it.
"The landscape shimmered and I felt a chill breeze. When my vision cleared, I found myself alone among the corpses of my fallen friends."
—Journal found in Numai
Oust

Oust {W}

Sorcery
Put target creature into its owner's library second from the top. Its controller gains 3 life.
"'Invincible' is just a word."
—Gideon Jura