2837 cards found
Oakheart Dryads

Oakheart Dryads {2}{G}

Enchantment Creature - Nymph Dryad
Constellation — Whenever Oakheart Dryads or another enchantment you control enters, target creature gets +1/+1 until end of turn.
"I do not know if the forest was different after they passed. But I know I was."
—Ianthe, Setessan hunter
2/3
  • Journey into Nyx
Oath of Eorl

Oath of Eorl {3}{R}{W}

Enchantment - Saga
I — Create two 1/1 white Human Soldier creature tokens.
II — Create two 2/2 red Human Knight creature tokens with trample and haste.
III — Put an indestructible counter on up to one target Human. You become the monarch.
  • Tales of Middle-earth Commander 64 471
Oath of the Grey Host

Oath of the Grey Host {3}{B}

Enchantment - Saga
I — You and target opponent each create a Food token.
II — Each opponent loses 3 life. Create a Treasure token.
III — Create three tapped 1/1 white Spirit creature tokens with flying.
  • The Lord of the Rings: Tales of Middle-earth 101 552
Ob Nixilis, the Fallen

Ob Nixilis, the Fallen {3}{B}{B}

Legendary Creature - Demon
Landfall — Whenever a land you control enters, you may have target player lose 3 life. If you do, put three +1/+1 counters on Ob Nixilis, the Fallen.
His spark lost, he plots revenge upon the plane whose corrupting mana fractured his soul.
3/3
Obosh, the Preypiercer

Obosh, the Preypiercer {3}{B/R}{B/R}

Legendary Creature - Hellion Horror
Companion — Your starting deck contains only cards with odd mana values and land cards.
If a source you control with an odd mana value would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.
3/5
Obscura Charm

Obscura Charm {W}{U}{B}

Instant
Choose one —
• Return target multicolored permanent card with mana value 3 or less from your graveyard to the battlefield tapped.
• Counter target instant or sorcery spell.
• Destroy target creature or planeswalker with mana value 3 or less.
  • Streets of New Capenna 208 323 388
Obsessive Skinner

Obsessive Skinner {1}{G}

Creature - Human Rogue
When Obsessive Skinner enters, put a +1/+1 counter on target creature.
Delirium — At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, put a +1/+1 counter on target creature.
1/1
Obuun, Mul Daya Ancestor

Obuun, Mul Daya Ancestor {1}{R}{G}{W}

Legendary Creature - Elf Spirit
At the beginning of combat on your turn, up to one target land you control becomes an X/X Elemental creature with trample and haste until end of turn, where X is Obuun's power. It's still a land.
Landfall — Whenever a land you control enters, put a +1/+1 counter on target creature.
3/3
Ochre Jelly

Ochre Jelly {X}{G}

Creature - Ooze
Trample
Ochre Jelly enters with X +1/+1 counters on it.
Split — When Ochre Jelly dies, if it had two or more +1/+1 counters on it, create a token that's a copy of it at the beginning of the next end step. The token enters with half that many +1/+1 counters on it, rounded down.
0/0
Related card: Ochre Jelly (Alchemy)
  • Adventures in the Forgotten Realms Promos 196a 196p 196s
  • Adventures in the Forgotten Realms 196 330
Ochre Jelly (Alchemy)

Ochre Jelly (Alchemy) {X}{G}

Creature - Ooze
Trample
Ward {2}
Ochre Jelly enters with X +1/+1 counters on it.
Split — When Ochre Jelly dies, if it had two or more +1/+1 counters on it, create a token that's a copy of it at the beginning of the next end step. The token enters with half that many +1/+1 counters on it, rounded down.
0/0
Related card: Ochre Jelly
  • Adventures in the Forgotten Realms
Octavia, Living Thesis

Octavia, Living Thesis {8}{U}{U}

Legendary Creature - Elemental Octopus
This spell costs {8} less to cast if you have eight or more instant and/or sorcery cards in your graveyard.
Ward {8}
Magecraft — Whenever you cast or copy an instant or sorcery spell, target creature has base power and toughness 8/8 until end of turn.
8/8
Oddly Uneven

Oddly Uneven {3}{W}{W}

Sorcery
Choose one —
• Destroy each creature with an odd number of words in its name. (Hyphenated words are one word.)
• Destroy each creature with an even number of words in its name.
The odds are good, but the goods are odd.
Of Herbs and Stewed Rabbit

Of Herbs and Stewed Rabbit {2}{W}

Enchantment - Saga
I — Put a +1/+1 counter on up to one target creature. Create a Food token.
II — Draw a card. Create a Food token.
III — Create a 1/1 white Halfling creature token for each Food you control.
  • Tales of Middle-earth Commander 17 419
Ojutai Exemplars

Ojutai Exemplars {2}{W}{W}

Creature - Human Monk
Whenever you cast a noncreature spell, choose one —
• Tap target creature.
• Ojutai Exemplars gains first strike and lifelink until end of turn.
• Exile Ojutai Exemplars, then return it to the battlefield tapped under its owner's control.
4/4
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.
Okiba Reckoner Raid
Nezumi Road Captain

Okiba Reckoner Raid {B}

Enchantment - Saga
I, II — Each opponent loses 1 life and you gain 1 life.
III — Exile this Saga, then return it to the battlefield transformed under your control.
Card has other part: Nezumi Road Captain
  • Kamigawa: Neon Dynasty
Old One Eye

Old One Eye {5}{G}

Legendary Creature - Tyranid
Trample
Other creatures you control have trample.
When Old One Eye enters, create a 5/5 green Tyranid creature token.
Fast Healing — At the beginning of your first main phase, you may discard two cards. If you do, return Old One Eye from your graveyard to your hand.
6/6
  • Warhammer 40,000 Commander 96 96★
Oltec Archaeologists

Oltec Archaeologists {4}{W}

Creature - Human Artificer Scout
When Oltec Archaeologists enters, choose one —
• Return target artifact card from your graveyard to your hand.
• Scry 3.
4/4
  • The Lost Caverns of Ixalan
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
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.
  • Tales of Middle-earth Commander 503 547
Omnath, Locus of Creation

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

Legendary Creature - Elemental
When Omnath, Locus of Creation enters, draw a card.
Landfall — Whenever a land you control enters, 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 Creation (Alchemy)

Omnath, Locus of Creation (Alchemy) {1}{R}{G}{W}{U}

Legendary Creature - Elemental
When Omnath, Locus of Creation enters, draw a card.
Landfall — Whenever a land enters 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
  • Zendikar Rising
Omnath, Locus of Rage

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

Legendary Creature - Elemental
Landfall — Whenever a land you control enters, 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, it deals damage to any target equal to the number of Elementals you control.
Landfall — Whenever a land you control enters, put a +1/+1 counter on target Elemental you control. If you control eight or more lands, draw a card.
3/3
  • Core Set 2020 Promos 216p 216s
  • Core Set 2020
Omnivorous Flytrap

Omnivorous Flytrap {2}{G}

Creature - Plant
Delirium — Whenever Omnivorous Flytrap enters or attacks, if there are four or more card types among cards in your graveyard, distribute two +1/+1 counters among one or two target creatures. Then if there are six or more card types among cards in your graveyard, double the number of +1/+1 counters on those creatures.
2/4
  • Duskmourn: House of Horror Promos 192p 192s
  • Duskmourn: House of Horror 192 322