4199 cards found
Ojutai's Command

Ojutai's Command {2}{W}{U}

Instant
Choose two —
• Return target creature card with mana value 2 or less from your graveyard to the battlefield.
• You gain 4 life.
• Counter target creature spell.
• Draw a card.
Ojutai's Summons

Ojutai's Summons {3}{U}{U}

Sorcery
Create a 2/2 blue Djinn Monk creature token with flying.
Rebound
Ojutai, Soul of Winter

Ojutai, Soul of Winter {5}{W}{U}

Legendary Creature - Dragon
Flying, vigilance
Whenever a Dragon you control attacks, tap target nonland permanent an opponent controls. That permanent doesn't untap during its controller's next untap step.
"When I battled Ojutai, I realized my learning had only begun."
—Shu Yun, the Silent Tempest
5/6
Okina Nightwatch

Okina Nightwatch {4}{G}

Creature - Human Monk
As long as you have more cards in hand than each opponent, Okina Nightwatch gets +3/+3.
Only the most skilled budoka could protect the Okina Shrine. Only the best of these protectors took the night watch.
4/3
Okk

Okk {1}{R}

Creature - Goblin
Okk can't attack unless a creature with greater power also attacks.
Okk can't block unless a creature with greater power also blocks.
4/4
Ol' Buzzbark

Ol' Buzzbark {X}{R}{G}

Legendary Creature - Goblin Warrior
When Ol' Buzzbark enters the battlefield, roll X six-sided dice onto the battlefield from a height of at least X inches. For each die, put a number of +1/+1 counters equal to the result on each creature you control that die is touching. For each die, Ol' Buzzbark deals damage equal to the result to each creature an opponent controls that die is touching.
3/3
Old Guard

Old Guard {1}{W}

Artifact Creature - Cyborg Soldier
{W}, {T}: Tap target creature without reminder text. (Reminder text is still any italicized text in parentheses that explains rules you already know.)
"You say you're capable of flying. You got any proof of that?"
2/1
Oloro, Ageless Ascetic

Oloro, Ageless Ascetic {3}{W}{U}{B}

Legendary Creature - Giant Soldier
At the beginning of your upkeep, you gain 2 life.
Whenever you gain life, you may pay {1}. If you do, draw a card and each opponent loses 1 life.
At the beginning of your upkeep, if Oloro, Ageless Ascetic is in the command zone, you gain 2 life.
4/5
Omen Machine

Omen Machine {6}

Artifact
Players can't draw cards.
At the beginning of each player's draw step, that player exiles the top card of their library. If it's a land card, the player puts it onto the battlefield. Otherwise, the player casts it without paying its mana cost if able.
  • New Phyrexia
Omnibian

Omnibian {1}{G}{G}{U}

Creature - Frog
{T}: Target creature becomes a Frog with base power and toughness 3/3 until end of turn.
"This creature has hyperevolved chameleonic abilities. It no longer mimics its surroundings, instead forcing them to take on its form."
—Simic research notes
3/3
Omniscience

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

Enchantment
You may cast spells from your hand without paying their mana costs.
"In the arrogance of my youth, I believed I knew all there was to know. Now, my greatest wisdom is a humble awareness of all I have yet to learn."
—Teferi
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 Thousand Lashes

One Thousand Lashes {2}{W}{B}

Enchantment - Aura
Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.
At the beginning of the upkeep of enchanted creature's controller, that player loses 1 life.
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
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.
"I will ... tell thee more than thou hast wit to ask."
—Christopher Marlowe, Doctor Faustus
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
Opportunity

Opportunity {4}{U}{U}

Instant
Target player draws four cards.
Little things like morals shouldn't hinder one's ambition.
—Pirate creed
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
Opt

Opt {U}

Instant
Scry 1.
Draw a card.
The crystal pulsed with the power of Teferi's planeswalker spark. Had Jhoira given him a blessing or a curse?
Related card: Tome of Gadwick
Optical Optimizer

Optical Optimizer

Artifact - Contraption
Whenever you crank Optical Optimizer, until end of turn, target creature becomes an artifact in addition to its other types and gains "{T}: Draw a card."
  • Unstable
Optimus Prime, Inspiring Leader

Optimus Prime, Inspiring Leader {3}{R}{W}

Legendary Artifact Creature - Autobot
{1}: Turn target permanent you control to its other face.
{1}: Until end of turn, Optimus Prime, Inspiring Leader becomes a Construct with base power and toughness 6/6 and creatures you control gain trample.
"Roll out!"
4/5
  • 2018 Heroes of the Realm
Opulent Palace

Opulent Palace

Land
Opulent Palace enters the battlefield tapped.
{T}: Add {B}, {G}, or {U}.
The dense jungle surrenders to a lush and lavish expanse. At its center uncoil the spires of Qarsi Palace.
Oracle's Vault

Oracle's Vault {4}

Artifact
{2}, {T}: Exile the top card of your library. Until end of turn, you may play that card. Put a brick counter on Oracle's Vault.
{T}: Exile the top card of your library. Until end of turn, you may play that card without paying its mana cost. Activate only if there are three or more brick counters on Oracle's Vault.