11571 cards found
Only I Know What Awaits

Only I Know What Awaits

Scheme
When you set this scheme in motion, for each card type among permanents your opponents control, you may put a permanent card of that type from your hand onto the battlefield.
"I will multiply your fears until your body melts in on itself and you drown in the tears of your own terrified mind."
  • Duskmourn: House of Horror Commander
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
Onslaught

Onslaught {R}

Enchantment
Whenever you cast a creature spell, tap target creature.
The last thing to go through the mogg's mind was its teeth.
Onyx Goblet

Onyx Goblet {2}{B}
(Cáliz de ónix)

Artifact
{T}: Target player loses 1 life.
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
Oozeavite

Oozeavite {4}{G}

Creature - Ooze
Oozeavite enters with each of a vigilance, reach, trample, and hexproof counter on it. These are also +1/+1 counters.
If Oozeavite would be dealt damage, instead create a 0/0 green Ooze creature token and move a counter from Oozeavite onto it. Then if Oozeavite has no counters on it, sacrifice it.
{3}{G}, {T}: Move any number of counters from other creatures you control onto Oozeavite.
Designed by players at MagicCon Amsterdam 2024.
0/0
  • Unknown Event
Opal Lake Gatekeepers

Opal Lake Gatekeepers {3}{U}

Creature - Vedalken Soldier
When this creature enters, if you control two or more Gates, you may draw a card.
Sentries guard Ravnica's landmarks and outlying districts, unaware of these places' import to the maze.
2/4
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.
  • March of the Machine: The Aftermath Promos
  • March of the Machine: The Aftermath 23 73 123 163
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 this creature attacks and isn't blocked, you may draw a card. If you do, this creature assigns no combat damage this turn.
1/3
Ophidian Eye

Ophidian Eye {2}{U}

Enchantment - Aura
Flash
Enchant creature
Whenever enchanted creature deals damage to an opponent, you may draw a card.
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.
2/2
Opportunity

Opportunity {4}{U}{U}

Instant
Target player draws four cards.
"He cocooned himself alone in his workshop for months. When he finally emerged, all broad grins and excited chatter, I knew he'd found his answer."
—Barrin, master wizard
Opposition Agent

Opposition Agent {2}{B}

Creature - Human Rogue
Flash
You control your opponents while they're searching their libraries.
While an opponent is searching their library, they exile each card they find. You may play those cards for as long as they remain exiled, and you may spend mana as though it were mana of any color to cast them.
3/2
Oppression

Oppression {1}{B}{B}

Enchantment
Whenever a player casts a spell, that player discards a card.
"Do not presume to speak for yourself."
—Gix, to Xantcha
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 this Contraption, 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
This land enters 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

Oracle

Vanguard
{0}: Untap target attacking creature you control and remove it from combat.
Known simply by her title, Oracle uses her gift of prophecy to aid her people. She believes Gerrard to be the Korvecdal, the one who will unite the people of Rath against Volrath's tyranny. Her only doubt is whether she will be strong enough to guide him to his destiny.
Hand size bonus: +1
Life bonus: +9
  • Vanguard Series
Oracle of Nectars

Oracle of Nectars {2}{G/W}

Creature - Elf Cleric
{X}, {T}: You gain X life.
When elves find a fount of beauty, they protect it. Where there is beauty, there is hope.
2/2
Orah, Skyclave Hierophant

Orah, Skyclave Hierophant {2}{W}{B}

Legendary Creature - Kor Cleric
Lifelink
Whenever Orah or another Cleric you control dies, return target Cleric card with lesser mana value from your graveyard to the battlefield.
"The Skyclaves are our inheritance."
3/3
Oran-Rief Invoker

Oran-Rief Invoker {1}{G}

Creature - Human Shaman
{8}: This creature gets +5/+5 and gains trample until end of turn.
"The world was not hostile to us—we were beneath its notice, and presented no danger."
—The Invokers' Tales
2/2
Oran-Rief Ooze

Oran-Rief Ooze {2}{G}

Creature - Ooze
When this creature enters, put a +1/+1 counter on target creature you control.
Whenever this creature attacks, put a +1/+1 counter on each attacking creature with a +1/+1 counter on it.
2/2
Related card: Oran-Rief Ooze (Alchemy)
Oran-Rief Ooze (Alchemy)

Oran-Rief Ooze (Alchemy) {2}{G}

Creature - Ooze
When Oran-Rief Ooze enters, put a +1/+1 counter on target creature you control.
Whenever Oran-Rief Ooze attacks, put a +1/+1 counter on each creature you control with a +1/+1 counter on it.
2/2
Related card: Oran-Rief Ooze
  • Zendikar Rising