7465 cards found
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
Oltec Matterweaver

Oltec Matterweaver {2}{W}

Creature - Human Artificer
Whenever you cast a creature spell, choose one —
• Create a 1/1 colorless Gnome artifact creature token.
• Create a token that's a copy of target artifact token you control.
2/4
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Olórin's Searing Light

Olórin's Searing Light {2}{R}{W}

Instant
Each opponent exiles a creature with the greatest power among creatures that player controls.
Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, Olórin's Searing Light deals damage to each opponent equal to the power of the creature they exiled.
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Omarthis, Ghostfire Initiate

Omarthis, Ghostfire Initiate {X}{X}

Legendary Creature - Spirit Naga
Omarthis, Ghostfire Initiate enters the battlefield with X +1/+1 counters on it.
Whenever you put one or more +1/+1 counters on another colorless creature, you may put a +1/+1 counter on Omarthis.
When Omarthis dies, manifest a number of cards from the top of your library equal to the number of counters on it.
0/0
  • Commander Masters 708 748
Ominous Cemetery

Ominous Cemetery

Land
{T}: Add {C}.
{5}, {T}, Exile Ominous Cemetery: Target creature's owner shuffles it into their library.
"They are fast. Faster than you can believe. Don't turn your back, don't look away, and don't blink."
—The Tenth Doctor
  • Doctor Who 189 794
Omnath, Locus of All

Omnath, Locus of All {W}{U}{B/P}{R}{G}

Legendary Creature - Phyrexian Elemental
If you would lose unspent mana, that mana becomes black instead.
At the beginning of your precombat main phase, look at the top card of your library. You may reveal that card if it has three or more colored mana symbols in its mana cost. If you do, add three mana in any combination of its colors and put it into your hand. If you don't reveal it, put it into your hand.
4/4
Omnath, Locus of Creation

Omnath, Locus of Creation {R}{G}{W}{U}

Legendary Creature - Elemental
When Omnath, Locus of Creation enters the battlefield, draw a card.
Landfall — Whenever a land enters the battlefield under your control, you gain 4 life if this is the first time this ability has resolved this turn. If it's the second time, add {R}{G}{W}{U}. If it's the third time, Omnath deals 4 damage to each opponent and each planeswalker you don't control.
4/4
Related card: Omnath, Locus of Creation (Alchemy)
Omnath, Locus of Mana

Omnath, Locus of Mana {2}{G}

Legendary Creature - Elemental
You don't lose unspent green mana as steps and phases end.
Omnath, Locus of Mana gets +1/+1 for each unspent green mana you have.
It gathers against the coming storm.
1/1
Omnath, Locus of Rage

Omnath, Locus of Rage {3}{R}{R}{G}{G}

Legendary Creature - Elemental
Landfall — Whenever a land enters the battlefield under your control, create a 5/5 red and green Elemental creature token.
Whenever Omnath, Locus of Rage or another Elemental you control dies, Omnath deals 3 damage to any target.
5/5
Omnath, Locus of the Roil

Omnath, Locus of the Roil {1}{G}{U}{R}

Legendary Creature - Elemental
When Omnath, Locus of the Roil enters the battlefield, it deals damage to any target equal to the number of Elementals you control.
Landfall — Whenever a land enters the battlefield under your control, put a +1/+1 counter on target Elemental you control. If you control eight or more lands, draw a card.
3/3
Omniclown Colossus

Omniclown Colossus {8}{R}{R}

Artifact Creature - Clown Robot
Affinity for Clowns (This spell costs {1} less to cast for each Clown you control.)
Trample
7/7
Card has other part: Pie-roclasm
Omniscience

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

Enchantment
You may cast spells from your hand without paying their mana costs.
Once Upon a Time

Once Upon a Time {1}{G}

Instant
If this spell is the first spell you've cast this game, you may cast it without paying its mana cost.
Look at the top five cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
Ondu Inversion
Ondu Skyruins

Ondu Inversion {6}{W}{W}

Sorcery
Destroy all nonland permanents.
"At first rumble you'd best hold on tight and pray to any gods you still hold dear."
—Nys Dal, Sea Gate trapfinder
Card has other part: Ondu Skyruins
Ondu Skyruins
Ondu Inversion

Ondu Skyruins

Land
Ondu Skyruins enters the battlefield tapped.
{T}: Add {W}.
"It always seems so quiet in the aftermath of wrenching violence."
—Nys Dal, Sea Gate trapfinder
Card has other part: Ondu Inversion
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.
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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
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One with Nothing

One with Nothing {B}

Instant
Discard your hand.
When nothing remains, everything is equally possible.
One with the Machine

One with the Machine {3}{U}

Sorcery
Draw cards equal to the highest mana value among artifacts you control.
"Synth-kind welcomes you, as long as you welcome us."
One with the Multiverse

One with the Multiverse {6}{U}{U}

Enchantment
You may look at the top card of your library any time.
You may play lands and cast spells from the top of your library.
Once during each of your turns, you may cast a spell from your hand or the top of your library without paying its mana cost.
One-Clown Band

One-Clown Band {1}{R}

Artifact Creature - Clown Robot Bard
{2}{R}: Target Robot gets +2/+0 until end of turn.
Programmed to play more than seventy instruments and only one song.
1/3
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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
Oona's Prowler

Oona's Prowler {1}{B}

Creature - Faerie Rogue
Flying
Discard a card: Oona's Prowler gets -2/-0 until end of turn. Any player may activate this ability.
Deep in Glen Elendra blossoms Oona, queen of the faeries, nourished by secrets and pollinated by stolen dreams.
3/1
Oona, Queen of the Fae

Oona, Queen of the Fae {3}{U/B}{U/B}{U/B}

Legendary Creature - Faerie Wizard
Flying
{X}{U/B}: Choose a color. Target opponent exiles the top X cards of their library. For each card of the chosen color exiled this way, create a 1/1 blue and black Faerie Rogue creature token with flying.
5/5
Opal Palace

Opal Palace

Land
{T}: Add {C}.
{1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.