When Omenpath Journey enters, search your library for up to five land cards that have different names, exile them, then shuffle.

At the beginning of your end step, choose a card at random exiled with Omenpath Journey and put it onto the battlefield tapped.

Omenport Vigilante has double strike as long as you've committed a crime this turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

, , Sacrifice Ominous Parcel: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

, , Sacrifice Ominous Parcel: It deals 4 damage to target creature.

Changeling

Omnipresent Impostor has all card names.

As you search your library for one or more cards, you may choose Omnipresent Impostor as one of those cards. (For example, if you search for two land cards, you may find Omnipresent Impostor and a land card.)

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.

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.

Whenever an enchantment you control enters, you may create a token that's a copy of it. Do this only once each turn.

You lose the game.

Haste

At the beginning of your upkeep, return a red creature you control to its owner's hand.

Flying

Discard a card: Oona's Prowler gets -2/-0 until end of turn. Any player may activate this ability.

When an opponent casts a creature spell, if Opal Archangel is an enchantment, Opal Archangel becomes a 5/5 Angel creature with flying and vigilance.

When an opponent casts a creature spell, if Opal Caryatid is an enchantment, Opal Caryatid becomes a 2/2 Soldier creature.

When an opponent casts a creature spell, if Opal Gargoyle is an enchantment, Opal Gargoyle becomes a 2/2 Gargoyle creature with flying.

When Opal Lake Gatekeepers enters, if you control two or more Gates, you may draw a card.

When an opponent casts a creature spell, if Opal Titan is an enchantment, Opal Titan becomes a 4/4 Giant creature with protection from each of that spell's colors.

Defender (This creature can't attack.)

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

: The next time a source of your choice would deal damage this turn, that damage is dealt to Opal-Eye, Konda's Yojimbo instead.

: Prevent the next 1 damage that would be dealt to Opal-Eye this turn.

All Slivers have "Whenever this permanent becomes the target of a spell an opponent controls, you may draw a card."

Open Fire deals 3 damage to any target.

Search your library for an Aura or Equipment card, reveal it, put it into your hand, then shuffle.

Whenever a nontoken creature you control dies, create a 2/2 black Zombie creature token.

Return all artifact and enchantment cards from all graveyards to the battlefield under their owners' control. (Auras with nothing to enchant remain in graveyards.)

Add . You may open a sealed Magic booster pack. Until end of turn, you may cast spells from among the cards in that booster pack.

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

Enchant creature

Whenever enchanted creature deals damage to an opponent, you may draw a card.

: Opportunist deals 1 damage to target creature that was dealt damage this turn.

Target player draws four cards.

Flash

You control your opponents while they're searching their libraries.

While an opponent is searching their library, they exile each card they find. You may play those cards for as long as they remain exiled, and you may spend mana as though it were mana of any color to cast them.

Enchant creature

Enchanted creature can't attack or block unless its controller pays .

Activated abilities of enchanted creature cost more to activate.

Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Draw a card.

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, put a +1/+1 counter on target creature.

More Than Meets the Eye (You may cast this card converted for .)

At the beginning of each end step, bolster 1. (Choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.)

When Optimus Prime dies, return it to the battlefield converted under its owner's control.

Flying

When Oracle of the Alpha enters the battlefield, conjure the Power Nine into your library, then shuffle.

Whenever Oracle of the Alpha attacks, scry 1.

, , Sacrifice Orazca Puzzle-Door: Look at the top two cards of your library. Put one of those cards into your hand and the other into your graveyard.

: Add one mana of any color.

Other noncreature artifacts are mono and continuous. (Each activated ability of mono artifacts costs an additional to activate if its cost doesn't already include . As long as a continuous artifact is tapped, it loses all abilities.)

, Sacrifice a creature: Orcish Bloodpainter deals 1 damage to any target.

Orcish Conscripts can't attack unless at least two other creatures attack.

Orcish Conscripts can't block unless at least two other creatures block.

: Look at the top three cards of target player's library.

Enchant creature

Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Purphoros.

When you sacrifice Ordeal of Purphoros, it deals 3 damage to any target.

When this creature enters, you may exile target non-Horse creature you control that wasn't put onto the battlefield with this ability this turn, then return it to the battlefield under its owner's control.

, , Sacrifice Origin Spellbomb: Create a 1/1 colorless Myr artifact creature token.

When Origin Spellbomb is put into a graveyard from the battlefield, you may pay . If you do, draw a card.

Flying, lifelink, indestructible, haste

Flying

If you would draw a card while your library has no cards in it, instead put five +1/+1 counters on Ormos, Archive Keeper.

, Discard three cards with different names: Draw five cards.

Flying

: Add .

As long as Orochi Merge-Keeper is modified, it has ": Add ." (Equipment, Auras you control, and counters are modifications.)

Haunt (When this creature dies, exile it haunting target creature.)

When Orzhov Pontiff enters or the creature it haunts dies, choose one —

• Creatures you control get +1/+1 until end of turn.

• Creatures you don't control get -1/-1 until end of turn.

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.)

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.

Art rampage 2 (Whenever this creature becomes blocked by a creature, it gets +2/+2 for each creature in the blocker's art beyond the first.)

Each player reveals a number of cards from the top of their library equal to the number of nonland permanents they control, puts all permanent cards they revealed this way onto the battlefield, and puts the rest into their graveyard.

When Overgrown Pest enters, look at the top five cards of your library. You may reveal a land or double-faced card from among them and put that card into your hand. Put the rest on the bottom of your library in a random order.

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.