: Prevent all damage that would be dealt to target creature this turn.

Grandeur — Discard another card named Oriss, Samite Guardian: Target player can't cast spells this turn, and creatures that player controls can't attack this turn.

Flying, trample, lifelink

Sacrifice another creature: Draw a card.

Untap target creature. It gets +1/+3 until end of turn.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Whenever Ornery Dilophosaur attacks, if you control a creature with power 4 or greater, Ornery Dilophosaur gets +2/+2 until end of turn.

When Ornery Kudu enters, put a -1/-1 counter on target creature you control.

Flying

Tribute 2 (As this creature enters, an opponent of your choice may put two +1/+1 counters on it.)

When Ornitharch enters, if tribute wasn't paid, create two 1/1 white Bird creature tokens with flying.

Flying

: Add one mana of any color.

Orochi Hatchery enters with X charge counters on it.

, : Create a 1/1 green Snake creature token for each charge counter on Orochi Hatchery.

: Add .

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

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever one or more creatures you control deal combat damage to a player, create a Treasure token and manifest the top card of that player's library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

Flying

Whenever Oros, the Avenger deals combat damage to a player, you may pay . If you do, Oros deals 3 damage to each nonwhite creature.

, : Create a token that's a copy of another target creature you control. It gains haste. Sacrifice it at the beginning of the next end step. Activate only as a sorcery.

, : Create five tokens that are copies of another target creature you control. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.

Changeling

Whenever you cast an instant or sorcery spell, if it targets one or more other permanents you control, create a token that's a copy of one of those permanents.

When a spell or ability an opponent controls causes you to discard this card, create a token that's a copy of target permanent.

Orzhov Basilica enters tapped.

When Orzhov Basilica enters, return a land you control to its owner's hand.

: Add .

: Add or .

, , Sacrifice Orzhov Cluestone: Draw a card.

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

When Orzhov Euthanist enters or the creature it haunts dies, destroy target creature that was dealt damage this turn.

: Target player gains 1 life.

: Each player loses 1 life.

: Add or .

, , Sacrifice Orzhov Locket: Draw two cards.

Whenever Orzhov Racketeers deals combat damage to a player, that player discards a card.

Afterlife 2 (When this creature dies, create two 1/1 white and black Spirit creature tokens with flying.)

: Add .

, : Target player loses 1 life and you gain 1 life.

Flying

Whenever Oteclan Levitator attacks, target attacking creature without flying gains flying until end of turn.

: Put a charge counter on Otherworld Atlas.

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

Surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target creature gets +1/+0 until end of turn. When that creature dies this turn, create a 3/2 colorless Eldrazi Horror creature token.

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

: The next 1 damage that would be dealt to Outrider en-Kor this turn is dealt to target creature you control instead.

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 Boilerbilges enters or attacks, it deals 4 damage to any target.

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.

Destroy all creatures target opponent controls. Draw a card for each creature destroyed this way.

Enchant player

Creatures enchanted player controls lose all abilities and have base power and toughness 1/1.

Enchanted player can't activate abilities that aren't mana abilities or loyalty abilities.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Target creature gets +3/+3 until end of turn.

Look at target opponent's hand and choose a card from it. Put that card on top of that player's library.

Flying, trample

At the beginning of your upkeep, sacrifice Palladia-Mors unless you pay .

Whenever a creature an opponent controls becomes tapped, put a palliation counter on Palliation Accord.

Remove a palliation counter from Palliation Accord: Prevent the next 1 damage that would be dealt to you this turn.

: The next face-down creature spell you cast this turn costs less to cast.

If turning a face-down permanent face up causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Whenever Pantlaza, Sun-Favored or another Dinosaur you control enters, you may discover X, where X is that creature's toughness. Do this only once each turn. (Exile cards from the top of your library until you exile a nonland card with that mana value or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Whenever you manifest dread, put a card you put into your graveyard this way into your hand.

, Discard a card at random: Pardic Swordsmith gets +2/+0 until end of turn.

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

Whenever you cast an artifact spell, put a +1/+1 counter on Patchwork Automaton.

Delirium — Patchwork Beastie can't attack or block unless there are four or more card types among cards in your graveyard.

At the beginning of your upkeep, you may mill a card. (You may put the top card of your library into your graveyard.)

Discard a card: Regenerate Patchwork Gnomes. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

If you've cast another white spell this turn, you may cast this spell without paying its mana cost.

Destroy all enchantments.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Prevent all combat damage that would be dealt this turn.

Lifelink

Enchantment spells you cast have affinity for Auras. (They cost less to cast for each Aura you control.)

Whenever you cast an Aura spell that targets a modified permanent you control, draw a card. (Equipment, Auras you control, and counters are modifications.)

: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell.

, : Target player mills three cards. (They put the top three cards of their library into their graveyard.)

Flying

, Sacrifice a creature: Search your library for a land card with a basic land type, put it onto the battlefield tapped, then shuffle.

At the beginning of each opponent's upkeep, they lose 1 life and you put a -1/-1 counter on up to one target creature they control.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

When Persuasive Interrogators enters, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Whenever you sacrifice a Clue, target opponent gets two poison counters. (A player with ten or more poison counters loses the game.)

Return target nonland permanent an opponent controls to its owner's hand.

When you cast this spell, any player may discard three cards. If a player does, counter Phantasmagorian.

Discard three cards: Return Phantasmagorian from your graveyard to your hand.