13153 cards found
Ominous Palace

Ominous Palace

Land
{T}: Add {U} or {B}. You lose 1 life unless you have less life than an opponent.
Naogui the Lotus-Charmed guards the most depraved secrets of the world with naught but his sweet, welcoming voice.
  • Panxiou
Ominous Presence

Ominous Presence {4}{B}

Creature - Spirit
When Ominous Presence enters, search your library for a Curse card, reveal it, then shuffle. If it has mana value 4 or less, you may put it onto the battlefield. Otherwise, put it into your hand.
Ominous Presence gets +1/+1 for each Curse attached to your opponents.
1/1
  • Karina's Explorations
Ominous Quag

Ominous Quag

Land
Ominous Quag enters tapped.
{T}: Add {W} or {B}.
{2}{W}{B}, {T}, Sacrifice Ominous Quag: Draw a card.
In the stillness of the wastes, Athreos's influence extends beyond the afterlife.
  • Theros Triumphant
Ominous Seas

Ominous Seas {1}{U}

Enchantment
Whenever you draw a card, put a foreshadow counter on Ominous Seas.
Remove eight foreshadow counters from Ominous Seas: Create an 8/8 blue Kraken creature token.
Cycling {2} ({2}, Discard this card: Draw a card.)
Always fear the open waters. If even the guppies are already gone, it's too late.
  • Elmare: Into the Abyss
Ominous Wind

Ominous Wind {1}{B}

Instant
Target creature gets -2/-2 until end of turn.
{3}{B}{B}, Exile Ominous Wind from your graveyard: Each creature gets -2/-2 until end of turn. Activate only as a sorcery.
Karina set up the camp. Amber worked on a fire. Luna wandered off to investigate that strange sound in the trees.
  • Monsters of Chikyu
On Andazir's Whims

On Andazir's Whims {2}{R}{W}{B}

Sorcery
Return target creature card from your graveyard to the battlefield tapped. Then create a token that's a copy of it, except it has haste. Sacrifice the token at the beginning of the next end step.
  • Alkabah: The Rise of Soli
On Display

On Display {1}{U}

Enchantment - Aura
Enchant creature
Enchanted creature doesn't untap during its controller's untap step.
“If you think Olten's rock samples are impressive, you ain't seen nothing yet.”
—Henry Ivin, Museum Tour Guide
  • Love Song
On Eli's Orders

On Eli's Orders {2}{B}

Sorcery
Post a bounty on target creature you don't control, then each opponent sacrifices a creature. (Put a bounty counter on that creature. It has “When this creature dies, each opponent draws a card” as long as it has a bounty counter on it.)
  • Over the Horizon
On Marvelous Wings

On Marvelous Wings {2}{U}

Enchantment - Saga
I, II — Put your choice of a flying or hexproof counter on target creature you control.
III — Creatures you control with counters on them can't be blocked this turn unless defending player pays {3} and spells that target those creatures cost an additional {3} to cast until your next turn.
​
  • Kahembo: Olde Dawn
On Repeat

On Repeat {1}{W}

Instant
Exile target creature or enchantment you control, then return that card to the battlefield under your control.
You may cast On Repeat from your graveyard any time you could cast a sorcery by discarding a land card in addition to paying its other costs.
Does it almost feel like you've been here before?
  • Animus Vox
On the Case

On the Case {G}{U}

Instant
Proliferate (Choose any number of permanents and/or players with counters on them, then give each another counter of each kind already there.)
Scry 2, then draw a card.
“Of course! We just had to track our steps and the truth came to light — Vaughn was never dead, just in hiding!”
—Eldon and Eleanor, Sleuths
  • The Stage Presents: The Neverending Act
On the Shoulders of Giants

On the Shoulders of Giants {2}{G}

Enchantment
Whenever a creature dies, put a +1/+1 counter on each creature you control with power less than it.
{3}{G}, Sacrifice a creature: Draw cards equal to the sacrificed creature's power.
“These skeletons we found...I think they might be giants.”
  • Love Song
Once More with Style

Once More with Style {1}{W}

Instant
Exile target creature you control, then return that card to the battlefield under its owner's control. Create an Idol token. (It's an artifact with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)
  • Surging Tide
One Last Dance

One Last Dance {2}{R}

Sorcery
Gain control of target creature until end of turn and untap it. Until end of turn, it gains haste and “Whenever this creature attacks, it deals 2 damage to itself.”
“Hold on tight, here comes the dip.”
  • Nangjiao In Bloom
One Last Mission

One Last Mission {1}{W}

Sorcery
Choose one or both —
• Put a +1/+1 counter on each of up to two target creatures.
• Put a +1/+1 counter on up to one target Elemental and up to one target Soldier.
This one is for the champions.
  • Animus Vox
One Life for Another

One Life for Another {3}{B}{B}

Sorcery
Return target creature card from your graveyard to the battlefield. Then up to one target opponent sacrifices a creature if you control an Angel, Demon, Faerie, or Spirit.
“They may appeal to how you value a life. Never forget: all are equally worthless to them.”
—Lord Pollux Marglen to Absari
  • The Empty Throne of Feanav
One More Step

One More Step {R}

Sorcery - Adventure
Target creature you control gains haste until end of turn. Return it to its owner's hand at the beginning of the next end step.
Card has other part: Adventurer Extraordinaire
  • Adventurers of Onora
One Person's Trash

One Person's Trash {1}{U}

Sorcery
Reprise {3}{U} (As you cast an instant or sorcery spell, you may exile one card with reprise from your graveyard and pay its reprise cost. If you do, add its effects to that spell.)
Create a Treasure token. You draw cards equal to the number of tokens created by this spell.
  • Over the Horizon
One With the Wind

One With the Wind {1}{U}

Enchantment - Aura
Enchant creature
Enchanted creature gets +2/+2 and has flying.
Aqar nursed the injured drake back to health, and in return was shown a world far beyond his wildest dreams.
  • Al Tabaq
One of Purpose

One of Purpose {R}{W}

Creature - Human Monk
Prowess
When One of Purpose enters, if you cast it, create a Function token with “If you cast this spell from your hand, exile it. You may cast it from exile until the end of your next turn.” (It's an enchantment. As you cast an instant or sorcery spell, sacrifice any number of Functions to add their effects to that spell.)
2/2
  • Beyond the Blackwall
One on One

One on One {1}{W}

Enchantment
Vanguard — Whenever a creature you control attacks alone, put a +1/+1 counter on it.
In a duel between Chikyu's trainers, honor demands that each side use only a single monster at a time.
  • Monsters of Chikyu
One with Nature

One with Nature {G}

Enchantment - Aura
Enchant creature
Whenever enchanted creature deals combat damage to a player, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
Gendra provided a pleasant environment to those who'd only known a war torn Khaliz-Dorahn.
  • Aftermath
One with Seishin

One with Seishin {1}{W}

Enchantment
Colorless creatures you control get +1/+1.
Though the living fall by the thousands each day, our Ancestors still watch over us, guiding us at every turn.
  • Path of Shadows
One with the Herd

One with the Herd {X}{G}{G}

Sorcery
Until end of turn, target creature gets +X/+X and can only be blocked by X or more creatures.
Charge with all the ferocity of the herd and no one will be able to tell the difference.
  • High Noon
Onigori, Ema's Shield

Onigori, Ema's Shield {3}{U}{U}

Legendary Creature - Elemental
Spells your opponents cast that target Onigori, Ema's Shield cost {2} more to cast.
Whenever Onigori deals combat damage to a player, that player can't untap more than two permanents during their next untap step.
“Onigori's been through it all, and none of it has gotten through him.”
—Ema, the traveler
5/5
  • Monsters of Chikyu