2645 cards found
Ondu War Cleric

Ondu War Cleric {1}{W}

Creature - Human Cleric Ally
Cohort{T}, Tap an untapped Ally you control: You gain 2 life.
"I will follow the light of Iona into battle, and I will know no fear."
2/2
One Dozen Eyes

One Dozen Eyes {5}{G}

Sorcery
Choose one —
• Create a 5/5 green Beast creature token.
• Create five 1/1 green Insect creature tokens.
Entwine {G}{G}{G}
One Last Job

One Last Job {2}{W}

Sorcery
Spree
+ {2} — Return target creature card from your graveyard to the battlefield.
+ {1} — Return target Mount or Vehicle card from your graveyard to the battlefield.
+ {1} — Return target Aura or Equipment card from your graveyard to the battlefield attached to a creature you control.
  • Outlaws of Thunder Junction Promos 22p 22s
  • Outlaws of Thunder Junction 22 315
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
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
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
Oracle of Tragedy

Oracle of Tragedy {1}{U}

Creature - Human Wizard
When Oracle of Tragedy enters or dies, choose one —
• Draw a card, then discard a card.
• Shuffle up to four target cards with mana value 3 or greater from your graveyard into your library.
1/3
  • March of the Machine
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 Oran-Rief Hydra. If that land is a Forest, put two +1/+1 counters on Oran-Rief Hydra instead.
5/5
Orchard Elemental

Orchard Elemental {5}{G}

Creature - Elemental
Council's dilemma — When Orchard Elemental enters, starting with you, each player votes for sprout or harvest. Put two +1/+1 counters on Orchard Elemental for each sprout vote. You gain 3 life for each harvest vote.
Fruits for friends, fists for foes.
2/2
  • Conspiracy: Take the Crown
Orcus, Prince of Undeath

Orcus, Prince of Undeath {X}{2}{B}{R}

Legendary Creature - Demon
Flying, trample
When Orcus, Prince of Undeath enters, choose one —
• Each other creature gets -X/-X until end of turn. You lose X life.
• Return up to X target creature cards with total mana value X or less from your graveyard to the battlefield. They gain haste until end of turn.
5/3
Ordered Migration

Ordered Migration {3}{W}{U}

Sorcery
Domain — Create a 1/1 blue Bird creature token with flying for each basic land type among lands you control.
"Birds reach all parts of the world," said Barrin. "They will make excellent scouts."
  • Invasion
Ordruun Veteran

Ordruun Veteran {2}{R}{W}

Creature - Minotaur Soldier
Battalion — Whenever Ordruun Veteran and at least two other creatures attack, Ordruun Veteran gains double strike until end of turn.
"My father was Gruul, but I chose the precision of the legion over the fury of the pack."
3/1
  • Gatecrash
Oreskos Sun Guide

Oreskos Sun Guide {1}{W}

Creature - Cat Monk
Inspired — Whenever Oreskos Sun Guide becomes untapped, you gain 2 life.
"Let the humans have their pantheon. We need no gods to thrive. Even a mortal such as I can capture a part of the sun's power."
2/2
  • Born of the Gods
Origin of the Hidden Ones

Origin of the Hidden Ones {3}{R}

Enchantment - Saga
I — Origin of the Hidden Ones deals 4 damage to any target.
II — Create two 1/1 black Assassin creature tokens with menace.
III — Whenever an Assassin you control attacks this turn, create a 1/1 black Assassin creature token with menace that's tapped and attacking.
  • Assassin's Creed
Oriss, Samite Guardian

Oriss, Samite Guardian {1}{W}{W}

Legendary Creature - Human Cleric
{T}: Prevent all damage that would be dealt to target creature this turn.
Grandeur — Discard another card named Oriss, Samite Guardian: Target player can't cast spells this turn, and creatures that player controls can't attack this turn.
1/3
  • Future Sight
Orzhov Charm

Orzhov Charm {W}{B}

Instant
Choose one —
• Return target creature you control and all Auras you control attached to it to their owner's hand.
• Destroy target creature and you lose life equal to its toughness.
• Return target creature card with mana value 1 or less from your graveyard to the battlefield.
Orzhov Pontiff

Orzhov Pontiff {1}{W}{B}

Creature - Human Cleric
Haunt
When Orzhov Pontiff enters or the creature it haunts dies, choose one —
• Creatures you control get +1/+1 until end of turn.
• Creatures you don't control get -1/-1 until end of turn.
1/1
Osgood, Operation Double

Osgood, Operation Double {2}{U}{U}

Legendary Creature - Human Alien Shapeshifter
When you cast this spell, create a token that's a copy of it, except it isn't legendary.
{T}: Add {C}. Spend this mana only to cast an artifact spell or activate an ability of an artifact.
Paradox — Whenever you cast a spell from anywhere other than your hand, investigate.
2/2
Oswald Fiddlebender

Oswald Fiddlebender {1}{W}

Legendary Creature - Gnome Artificer
Magical Tinkering{W}, {T}, Sacrifice an artifact: Search your library for an artifact card with mana value equal to 1 plus the sacrificed artifact's mana value, put it onto the battlefield, then shuffle. Activate only as a sorcery.
"Can't see this airship crashing in the near future. Sturdy as a rock."
2/2
  • Adventures in the Forgotten Realms Promos 28a 28p 28s
  • Adventures in the Forgotten Realms 28 304
Otarian Juggernaut

Otarian Juggernaut {4}

Artifact Creature - Juggernaut
Otarian Juggernaut can't be blocked by Walls.
Threshold — As long as seven or more cards are in your graveyard, Otarian Juggernaut gets +3/+0 and attacks each combat if able.
2/3
  • Odyssey
Otawara, Soaring City

Otawara, Soaring City

Legendary Land
{T}: Add {U}.
Channel{3}{U}, Discard Otawara, Soaring City: Return target artifact, creature, enchantment, or planeswalker to its owner's hand. This ability costs {1} less to activate for each legendary creature you control.
Outmuscle

Outmuscle {3}{G}

Sorcery
Put a +1/+1 counter on target creature you control, then it fights target creature you don't control.
Adamant — If at least three green mana was spent to cast this spell, the creature you control gains indestructible until end of turn.
  • Throne of Eldraine
Outpost Siege

Outpost Siege {3}{R}

Enchantment
As Outpost Siege enters, choose Khans or Dragons.
• Khans — At the beginning of your upkeep, exile the top card of your library. Until end of turn, you may play that card.
• Dragons — Whenever a creature you control leaves the battlefield, Outpost Siege deals 1 damage to any target.
Outrage Shaman

Outrage Shaman {3}{R}{R}

Creature - Goblin Shaman
Chroma — When Outrage Shaman enters, it deals damage to target creature equal to the number of red mana symbols in the mana costs of permanents you control.
A boggart's mind is a tinderbox of volatile thoughts, hungry for a spark.
2/2
  • Eventide
Over the Edge

Over the Edge {1}{G}

Sorcery
Choose one —
• Destroy target artifact or enchantment.
• Target creature you control explores, then it explores again.
  • The Lost Caverns of Ixalan