When Pillaging Horde enters, sacrifice it unless you discard a card at random.

Choose one —

• Target creature gains islandwalk until end of turn. (It can't be blocked as long as defending player controls an Island.)

• Target creature gets +2/-1 until end of turn.

• Target player discards a card.

As an additional cost to cast this spell, discard a card.

Draw two cards and create two Treasure tokens. (They're artifacts with ", Sacrifice this artifact: Add one mana of any color.")

Whenever you cycle or discard a card, Pitiless Vizier gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it. If its toughness is 0 or less, it's still put into its owner's graveyard.)

, , Discard a card: Target creature gets -1/-1 until end of turn.

, Discard a card: Draw a card.

, : Reveal cards from the top of your library until you reveal a nonlegendary, nonland card with mana value 3 or less. You may cast that card without paying its mana cost. Put all revealed cards not cast this way on the bottom of your library in a random order.

Flying

When Plundering Predator enters, you may discard a card. If you do, draw a card.

You draw two cards, lose 2 life, then create a Blood token. (It's an artifact with ", , Discard a card, Sacrifice this artifact: Draw a card.")

Each creature spell you cast costs less to cast if it has mutate.

Whenever you cast a creature spell, if it has mutate, draw a card, then discard a card.

, , Discard a card: Create a token that's a copy of a random creature card with mana value X. Activate only as a sorcery.

Draw three cards, untap up to two lands, then discard a card.

If a player would draw a card, that player skips that draw instead.

At the beginning of each end step, each player sacrifices a permanent of their choice unless they discard a card.

Each player loses a third of their life, then discards a third of the cards in their hand, then sacrifices a third of the creatures they control of their choice, then sacrifices a third of the lands they control of their choice. Round up each time.

Target creature gets +4/+4 until end of turn.

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

When you cycle Primal Boost, you may have target creature get +1/+1 until end of turn.

Choose two —

• Prismari Command deals 2 damage to any target.

• Target player draws two cards, then discards two cards.

• Target player creates a Treasure token.

• Destroy target artifact.

When Professor of Symbology enters, learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

Flying

Discard a card: Prognostic Sphinx gains hexproof until end of turn. Tap it.

Whenever Prognostic Sphinx attacks, scry 3.

Enchant creature

Enchanted creature has haste and ", Discard a card: Draw a card."

Flash

When Psionic Snoop enters, it connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

Whenever Psychic Frog deals combat damage to a player or planeswalker, draw a card.

Discard a card: Put a +1/+1 counter on Psychic Frog.

Exile three cards from your graveyard: Psychic Frog gains flying until end of turn.

Enchant permanent

When Psychic Overload enters, tap enchanted permanent.

Enchanted permanent doesn't untap during its controller's untap step.

Enchanted permanent has "Discard two artifact cards: Untap this permanent."

Psychic Purge deals 1 damage to any target.

When a spell or ability an opponent controls causes you to discard Psychic Purge, that player loses 5 life.

Flying

When Psychic Symbiont enters, target opponent discards a card and you draw a card.

Target opponent discards two cards. Then if you control a Rat, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Psychotic Haze deals 1 damage to each creature and each player.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Clash with an opponent. If you win, target player discards two cards. Otherwise, that player discards a card. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Target player reveals three cards from their hand and you choose one of them. That player discards that card. Then if that player has more cards in hand than you, return Pulse of the Dross to its owner's hand.

Whenever a spell or ability an opponent controls causes you to discard cards this turn, return those cards from your graveyard to your hand.

When a spell or ability an opponent controls causes you to discard Pure Intentions, return Pure Intentions from your graveyard to your hand at the beginning of the next end step.

Attacking creatures get +2/+0 until end of turn.

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

Discard a card: Putrid Imp gains flying until end of turn.

Threshold — As long as seven or more cards are in your graveyard, Putrid Imp gets +1/+1 and can't block.

Discard a land card: Pyre of the World Tree deals 2 damage to any target.

Whenever you discard a land card, exile the top card of your library. You may play that card this turn.

Bloodrush — , Discard Pyrewild Shaman: Target attacking creature gets +3/+1 until end of turn.

Whenever one or more creatures you control deal combat damage to a player, if Pyrewild Shaman is in your graveyard, you may pay . If you do, return Pyrewild Shaman to your hand.

, Discard a card at random: Pyromancy deals damage to any target equal to the mana value of the discarded card.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Shroud (This creature can't be the target of spells or abilities.)

When a spell or ability an opponent controls causes you to discard Quagnoth, return it to your hand.

As an additional cost to cast this spell, discard a card.

Draw two cards and create a 1/1 white Human Soldier creature token.

, : Discard all the cards in your hand, then draw that many cards. You may choose an artifact or creature card with mana value 1 you discarded this way, then do the same for artifact or creature cards with mana values 2 and 3. Return those cards to the battlefield. Activate only as a sorcery.

Flying

When Quicksilver Fisher enters, draw a card, then discard a card.

Flying, lifelink

Whenever Radiant Solar or another nontoken creature you control enters, venture into the dungeon. (Enter the first room or advance to the next room.)

, Discard Radiant Solar: Venture into the dungeon and you gain 3 life.

Draw a card.

Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

When Raffine's Informant enters, it connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

(: Add , , or .)

Raffine's Tower enters tapped.

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

, : Target opponent reveals their hand and discards a creature card at random. Activate only during your turn.

Whenever an opponent discards a card, that player loses 2 life.

Raid — At the beginning of your end step, if you attacked this turn, target opponent discards a card.

First strike

: Reveal your hand and discard a card of target opponent's choice. Then that player reveals their hand and discards a card of your choice. Activate only as a sorcery.

Haste

Echo—Discard a card. (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

Rakdos's Return deals X damage to target opponent or planeswalker. That player or that planeswalker's controller discards X cards.

Target opponent discards two cards. You mill two cards.

Whenever you cast a noncreature spell, put a loyalty counter on Ral, Crackling Wit.

+1: Create a 1/1 blue and red Otter creature token with prowess.

−3: Draw three cards, then discard two cards.

−10: Draw three cards. You get an emblem with "Instant and sorcery spells you cast have storm." (Whenever you cast an instant or sorcery spell, copy it for each spell cast before it this turn.)

When Rampaging Spiketail enters, target creature you control gets +2/+0 and gains indestructible until end of turn.

Swampcycling (, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

When Rank Officer enters, you may discard a card. If you do, create a 2/2 black Zombie creature token.

, , Exile a creature card from your graveyard: Each opponent loses 2 life.