Deathtouch

: Until end of turn, you may cast creature spells from your graveyard by foraging in addition to paying their other costs. If you cast a spell this way, that creature enters with a finality counter on it. (To forage, exile three cards from your graveyard or sacrifice a Food. If a creature with a finality counter on it would die, exile it instead.)

Target opponent reveals their hand. You choose a creature card from it. That player discards that card.

Otarian Juggernaut can't be blocked by Walls.

Threshold — As long as seven or more cards are in your graveyard, Otarian Juggernaut gets +3/+0 and attacks each combat if able.

When Oteclan Landmark enters, scry 2.

Craft with artifact (, Exile this artifact, Exile another artifact you control or an artifact card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

Dinosaur spells you cast cost less to cast.

: Target Dinosaur gains haste until end of turn.

: Put a charge counter on Otherworld Atlas.

: Each player draws a card for each charge counter on Otherworld Atlas.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Trample

Whenever this creature deals combat damage to a player, return target creature card with mutate from your graveyard to your hand.

, Sacrifice Ouphe Vandals: Counter target activated ability from an artifact source and destroy that artifact if it's on the battlefield. (Mana abilities can't be targeted.)

This spell costs less to cast if it targets a creature spell.

Counter target spell.

You may discard a Swamp card rather than pay this spell's mana cost.

Choose a creature type. All creatures of that type get -1/-1 until end of turn.

When Outcaster Trailblazer enters, add one mana of any color.

Whenever another creature you control with power 4 or greater enters, draw a card.

Plot (You may pay and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

Outland Boar can't be blocked by creatures with power 2 or less.

, Sacrifice Outland Liberator: Destroy target artifact or enchantment.

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

When Outlaw Stitcher enters, create a 2/2 blue and black Zombie Rogue creature token, then put two +1/+1 counters on that token for each spell you've cast this turn other than the first.

Plot (You may pay and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

At the beginning of your upkeep, choose one at random. Create a red and white creature token with those characteristics.

• 3/1 Human Warrior with trample and haste.

• 2/1 Human Cleric with lifelink and haste.

• 1/2 Human Rogue with haste and "When this creature enters, it deals 1 damage to any target."

Chroma — When Outrage Shaman enters, it deals damage to target creature equal to the number of red mana symbols in the mana costs of permanents you control.

Whenever an artifact you control enters, you may return Ovalchase Daredevil from your graveyard to your hand.

Creature cards in graveyards can attack and block as though they were on the battlefield, can block or be blocked only by creature cards in graveyards, are Zombies in addition to their other types, and have undeathtouch. (If they would deal damage to a creature card, exile that creature card instead.)

Creature cards in your graveyard have haste.

Each time target permanent would deal damage to a permanent or player this turn, it deals double that damage to that permanent or player instead.

Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

At the beginning of combat on your turn, you may pay . If you do, put a +1/+1 counter on Overclocked Electromancer.

Whenever Overclocked Electromancer attacks, double its power until end of turn.

Whenever Overclocked Electromancer deals combat damage to a creature, if that creature was dealt excess damage this turn, you get X , where X is that excess damage.

, : Add .

Enrage — Whenever Overgrown Armasaur is dealt damage, create a 1/1 green Saproling creature token.

Sacrifice a land: You gain 3 life.

: Add one mana of any color.

: Add two mana of any one color. Spend this mana only to turn permanents face up.

As Overlaid Terrain enters, sacrifice all lands you control.

Lands you control have ": Add two mana of any one color."

, , Sacrifice Overloaded Mage-Ring: Copy target spell you control. You may choose new targets for the copy. (A copy of a permanent spell becomes a token.)

Impending 4— (If you cast this spell for its impending cost, it enters with four time counters and isn't a creature until the last is removed. At the beginning of your end step, remove a time counter from it.)

Whenever Overlord of the Hauntwoods enters or attacks, create a tapped colorless land token named Everywhere that is every basic land type.

Freerunning (You may cast this spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.)

Untap all creatures you control that attacked this turn. If it's your main phase, there is an additional combat phase after this phase, followed by an additional main phase.

First Contact — Whenever Overseer of Vault 76 or another creature you control with power 3 or less enters, put a quest counter on Overseer of Vault 76.

At the beginning of combat on your turn, you may remove three quest counters from among permanents you control. When you do, put a +1/+1 counter on each creature you control and they gain vigilance until end of turn.

, , Discard a card: Untap target creature and gain control of it until end of turn. That creature gains haste until end of turn.

When Overwhelmed Archivist enters, draw a card, then discard a card.

Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

Until end of turn, creatures you control gain trample and get +X/+X, where X is the greatest power among creatures you control.

Flying

Ward—, Pay 3 life.

Whenever you cast a noncreature spell, create X 1/1 red Phyrexian Goblin creature tokens, where X is the mana value of that spell. They gain haste until end of turn.

, : Create a 1/1 colorless Servo artifact creature token.

, : Create an X/X colorless Construct artifact creature token, where X is the number of creatures you control.

Flying

When Owl Familiar enters, draw a card, then discard a card.

Mama's Coming — Whenever Owlbear Cub attacks a player who controls eight or more lands, look at the top eight cards of your library. You may put a creature card from among them onto the battlefield tapped and attacking that player. Put the rest on the bottom of your library in a random order.

Flying

Ward—Pay 3 life. (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays 3 life.)

Sacrifice an artifact: Oxidda Daredevil gains haste until end of turn.

Affinity for Mountains (This spell costs less to cast for each Mountain you control.)

Haste

Oyaminartok, Polar Werebear has hexproof if it hasn't dealt damage yet.

Whenever Oyaminartok deals combat damage to a player, create a Food token.

, Sacrifice a Food: Draft a card from Oyaminartok's spellbook. When you do, add . Spend this mana only to cast blue creature spells.

If one or more +1/+1 counters would be put on an artifact or creature you control, that many plus one +1/+1 counters are put on it instead.

, : Put a +1/+1 counter on target artifact or creature you control. Activate only as a sorcery.

Cycling (, Discard this card: Draw a card.)

Enchant creature

Enchanted creature can't attack or block.

Flash (You may cast this spell any time you could cast an instant.)

When Pack Guardian enters, you may discard a land card. If you do, create a 2/2 green Wolf creature token.

Other Dogs you control get +1/+1.

Whenever Pack Leader attacks, prevent all combat damage that would be dealt this turn to Dogs you control.

Pack Rat's power and toughness are each equal to the number of Rats you control.

, Discard a card: Create a token that's a copy of Pack Rat.

Choose a creature type. Target creature gets -1/-1 until end of turn for each permanent of the chosen type you control.

At the beginning of combat on your turn, if you control another Wolf or Werewolf, put a +1/+1 counter on Packsong Pup.

When Packsong Pup dies, you gain life equal to its power.

Choose a creature type. Target player draws X cards and loses X life, where X is the number of creatures they control of the chosen type.

As long as Pact Weapon is attached to a creature, you don't lose the game for having 0 or less life.

Whenever equipped creature attacks, draw a card and reveal it. The creature gets +X/+X until end of turn and you lose X life, where X is that card's mana value.

Equip—Discard a card.

Target player discards a card.