15897 cards found
Observer of Secret Paths

Observer of Secret Paths {3}{U}

Creature - Human Wizard
Flash
Whenever you cast an artifact or enchantment spell, put a +1/+1 counter on Observer of Secret Paths. It can't be blocked this turn.
3/2
  • Discoveries of Akieva
Observing Guardian

Observing Guardian {2}{W}{W}

Creature - Human Warrior
Tribute 2 (As this creature enters, an opponent of your choice may put two +1/+1 counters on it.)
When Observing Guardian enters, if tribute wasn't paid, create a 2/2 white Cat creature token.
2/2
  • Pyramids of Atuum
Obsessive Ritualist

Obsessive Ritualist {3}{B}{B}

Creature - Human Cleric
Other creatures you control get +2/+0.
Creatures your opponents control get -1/-1.
Fleeting {2}{B} (You may cast this spell for its fleeting cost. If you do, sacrifice it at the beginning of the next end step.)
2/2
  • End of Wollensie
Obsidian Hellkite

Obsidian Hellkite {3}{R}

Creature - Dragon
Flying
When Obsidian Hellkite dies, it deals 2 damage to up to one target creature or planeswalker. If that creature or planeswalker would die this turn, exile it instead.
Foreshadow {4}{R}{R} (You may cast this spell for its foreshadow cost. If you do, also trigger its “dies” abilities when it enters.)
3/2
  • Innistrad In Memoriam
Odaya Magistrate

Odaya Magistrate {2}{U}{U}

Creature - Human Wizard
Flash
When Odaya Magistrate enters, you may counter target noncreature spell.
To Soeji's great disappointment, not all those loyal to Kirishima could be bought.
2/2
  • Tales of Old Jidai
Odaya Profiteer

Odaya Profiteer {2}{U}{U}

Creature - Human Rogue
Deception {2}{U} ({2}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever a creature you control deals combat damage to an opponent, you may draw a card.
2/2
  • Tales of Old Jidai
Olantin Pearlreader

Olantin Pearlreader {U}{U}

Creature - Merfolk Wizard
Other Merfolk you control get +1/+1.
When Olantin Pearlreader enters, scry 2. Then draw a card if you control two or more other Merfolk.
“Does the sun not set below the sea? The reign of the drywalkers draws near. It has been foretold.”
2/2
Old Lord Xiusheng

Old Lord Xiusheng {R}{G}

Legendary Creature - Human Warrior
Whenever a creature with power 4 or greater you control enters, it gains haste until end of turn.
{T}: Add {R} or {G}.
{4}{R}{G}: Create a 4/4 red Dragon creature token with flying.
2/2
  • Nangjiao In Bloom
Old-World Walker

Old-World Walker {3}{W}

Creature - Spirit Scout
Flying
At the beginning of your end step, untap target permanent you control.
The adventurous of Graygulch started looking back at the places Daisite had built up before.
2/2
  • High Noon
Oldgrove Nurturer

Oldgrove Nurturer {2}{G}

Creature - Treefolk
Oldgrove Nurturer enters with a +1/+1 counter on it.
{G}, Remove a +1/+1 counter from a creature you control: Create a 1/1 colorless Construct artifact creature token.
2/2
Olivia Voldaren, Progenitrix

Olivia Voldaren, Progenitrix {B}{R}

Legendary Creature - Vampire
Flying
Whenever Olivia Voldaren, Progenitrix attacks, you may discard a card. If you do, draw a card.
Whenever you discard a creature card, put a +1/+1 counter on Olivia Voldaren, Progenitrix and create a 1/1 black and red Vampire creature token with menace.
2/2
  • Innistrad In Memoriam
Olson's Armada

Olson's Armada {2}

Artifact - Vehicle
Flying
Whenever Olson's Armada attacks, if only one creature crewed it, create a 1/1 white Bird creature token with flying. Otherwise, put a +1/+1 counter on Olson's Armada.
Crew 2 (Tap any number of creatures you control with total power 2 or greater: This Vehicle becomes an artifact creature until end of turn.)
2/2
  • Adventurers of Onora
Olson's Flockmaster

Olson's Flockmaster {1}{R}

Creature - Cat Pirate
Whenever you attack with one or more Pirates, create that many 1/1 white Bird creature tokens with flying that are tapped and attacking. At end of combat, choose one of those tokens, then exile the rest.
1/2
Olten Survivalist

Olten Survivalist {2}{G}

Creature - Human Berserker
Cadence (Whenever you cast a spell, if its mana value is greater than this creature's power, put a +1/+1 counter on this creature.)
Creatures with power less than Olten Survivalist's power can't block creatures you control.
“Feel everyone shakin, but we're staying alive.”
2/2
  • Love Song
Olten Vipermoa

Olten Vipermoa {1}{G}{W}

Creature - Bird Beast
Flash
When Olten Vipermoa enters, you may return another creature you control to its owner's hand. If you do, put two +1/+1 counters on Olten Vipermoa.
If you knew what they sang for, you'd never sing along.
3/2
  • Animus Vox
Omendiver

Omendiver {2}{U}

Creature - Horse Fish
Colossal 3—{5}{U} (You may cast this for its colossal cost to have it enter with three +1/+1 counters; or pay {5}{U} as a sorcery: Put three +1/+1 counters on it if it has none.)
When Omendiver's colossal ability puts one or more counters on it, scry 3.
It swims in the currents of tomorrow.
3/2
  • Theros Triumphant
Ominous Dragoncaller

Ominous Dragoncaller {1}{R}{R}

Creature - Human Shaman
Ominous Dragoncaller gets +1/+1 and has flying as long as you control a Dragon.
3/2
Card has other part: Call of the Dragon
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
Ontarachie Forager

Ontarachie Forager {2}{G}

Creature - Lizard Scout
Vigilance (Attacking doesn't cause this creature to tap.)
Sacrifice a Fungus, Saproling, Plant, or Insect: Put a +1/+1 counter on Ontarachie Forager.
3/2
  • Eralou
Ontarachie Vagabond

Ontarachie Vagabond {1}{W}

Creature - Fungus Scout
If you would germinate, instead create a 1/1 green Saproling creature token, then put a +1/+1 counter on a creature you control.
{2}{W}{W}: Germinate. (Put a +1/+1 counter on a creature or create a 1/1 green Saproling creature token.)
2/2
Ophorio Scavenger

Ophorio Scavenger {1}{G}

Creature - Elf Rogue
When Ophorio Scavenger enters, 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.”)
Ophorio Scavenger gets +1/+1 as long as you control three or more artifacts.
1/2
  • Over the Horizon
Oracle of the Unseen

Oracle of the Unseen {B}

Creature - Azra Wizard
Menace
At the beginning of your end step, if a player lost 3 or more life this turn, put a +1/+1 counter on target Azra or Demon you control.
“Life from blood. Blood from death. Death from life. Thus forevermore. Glorious, indeed.”
1/2
  • Alkabah: The Rise of Soli
Oracle's Disciple

Oracle's Disciple {U/R}{U/R}

Creature - Human Wizard Knight
Whenever you cast a noncreature spell, creatures you control get +1/+1 until end of turn.
“Symmetry precludes mystery. Only where it is broken by imbalance can we find something to puzzle over.”
2/2
Orchard Botanist

Orchard Botanist {1}{G}

Creature - Dryad
Whenever you sacrifice an Idol, put a +1/+1 counter on Orchard Botanist.
“All crafted by men are desecrations of nature. It brings me the greatest joy to see the unnatural smashed to bits.”
2/2
  • Goliaths of Nangjiao
Oreskos Warden

Oreskos Warden {2}{W}

Creature - Cat Cleric
Oreskos Warden has lifelink as long as you control an enchantment.
“A peace cannot be brokered by a people obsessed with vengeance.”
—Brimaz, king of Oreskos
3/2
  • Theros Triumphant