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

Acceptable Losses deals 5 damage to target creature.

, Discard a card at random: Put a +1/+1 counter on target creature.

Modified creatures you control have menace. (Equipment, Auras you control, and counters are modifications.)

When Artillery Enthusiast enters the battlefield, you may discard a card. If you do, seek a card with mana value equal to that card's mana value. (To seek a card, put one at random from your library into your hand.)

Flying

Whenever Balor attacks or dies, choose one or more. Each mode must target a different player.

• Target opponent draws three cards, then discards three cards at random.

• Target opponent sacrifices a nontoken artifact.

• Balor deals damage to target opponent equal to the number of cards in their hand.

When Black Cat dies, target opponent discards a card at random.

Each player draws three cards, then discards three cards at random.

Enchant creature you control

Whenever enchanted creature attacks and isn't blocked, you may have it assign no combat damage this turn. If you do, defending player discards a card at random.

, Discard a card at random: Target creature gets +2/+2 until end of turn.

: Regenerate Corrupt Official.

Whenever Corrupt Official becomes blocked, defending player discards a card at random.

Creative Outburst deals 5 damage to any target. Look at the top five cards of your library. Put one of them into your hand and the rest on the bottom of your library in a random order.

, Discard Creative Outburst: Create a Treasure token.

Draw two cards, then discard a card at random.

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

, , Discard a card at random: Regenerate target creature.

Discard a card at random: Dwarven Strike Force gains first strike and haste until end of turn.

You may pay rather than pay this spell's mana cost.

If the cost was paid, an opponent discards any number of cards, then draws that many cards.

Search your library for up to three cards, put them into your hand, shuffle, then discard three cards at random.

Buyback—Pay 3 life, Discard a card at random. (You may pay 3 life and discard a card at random in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)

Destroy target land.

, Discard a card at random: Frenetic Ogre gets +3/+0 until end of turn.

Search your library for a card, put that card into your hand, discard a card at random, then shuffle.

, , Discard two cards: Target player discards X cards at random.

Hanabi Blast deals 2 damage to any target. Return Hanabi Blast to its owner's hand, then discard a card at random.

First strike, haste

Discard a card at random: Hell-Bent Raider gains protection from white until end of turn.

Flying

Whenever Hypnotic Specter deals damage to an opponent, that player discards a card at random.

Discard a card at random. If you do, Kindle the Carnage deals damage equal to that card's mana value to each creature. You may repeat this process any number of times.

, Discard a card at random: Mage il-Vec deals 1 damage to any target.

Target opponent discards a card at random.

Target player discards X cards at random.

When Minotaur Explorer enters the battlefield, sacrifice it unless you discard a card at random.

, : Choose a card name. Target opponent reveals X cards at random from their hand. Then that player discards all cards with that name revealed this way. Activate only during your turn.

, Discard a card at random: Ogre Shaman deals 2 damage to any target.

, Discard a card at random: Pardic Swordsmith gets +2/+0 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.

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

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

Put target permanent you own on the bottom of your library. Reveal cards from the top of your library until you reveal a card that shares a card type with that permanent. Put that card onto the battlefield and the rest on the bottom of your library in a random order.

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Target player discards a card at random.

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

When you cycle Resounding Scream, target player discards two cards at random.

Return target creature card from a graveyard and target creature on the battlefield to their owners' hands.

Reach

When Rock Star enters the battlefield, you may discard a card. If you do, reveal the top five cards of your library. Ask a person outside the game to choose which of them is most like a rock band. Put that card into your hand and the rest on the bottom of your library in a random order.

When Sanity Gnawers enters the battlefield, target player discards a card at random.

Skull Rend deals 2 damage to each opponent. Those players each discard two cards at random.

Target player discards two cards at random unless that player has Skullscorch deal 4 damage to them.

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

Sonic Seizure deals 3 damage to any target.

When Spellgorger Barbarian enters the battlefield, discard a card at random.

When Spellgorger Barbarian leaves the battlefield, draw a card.

, Discard a card at random: Stormscale Anarch deals 2 damage to any target. If the discarded card was multicolored, Stormscale Anarch deals 4 damage instead.

, : Roll a d20 and subtract the number of cards in your hand. If the result is 0 or less, discard your hand.

1–9 | Return a card at random from your graveyard to your hand.

10–19 | Draw two cards.

20 | Put a creature card from any graveyard onto the battlefield under your control. When that creature dies, its owner loses the game.

+1: Draw a card, then discard a card at random.

−4: Tibalt, the Fiend-Blooded deals damage equal to the number of cards in target player's hand to that player.

−6: Gain control of all creatures until end of turn. Untap them. They gain haste until end of turn.

Target opponent reveals their hand. You choose a card from it. That player discards that card, then discards a card at random.

If a cycling ability of another nonland card would cause you to draw a card, instead exile cards from the top of your library until you exile a card that shares a card type with the cycled card. You may cast that card without paying its mana cost. Then put the exiled cards that weren't cast this way on the bottom of your library in a random order.

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

Flying

Whenever Urgoros, the Empty One deals combat damage to a player, that player discards a card at random. If the player can't, you draw a card.

, : Target player reveals a card at random from their hand. If it's a land card, that player discards it unless they pay 1 life. If it isn't a land card, the player discards it unless they pay life equal to its mana value. Activate only during your turn.

: Search your library for an enchantment card and reveal that card. Put it into your hand, then discard a card at random. Then shuffle.

: Search your library for an instant card and reveal that card. Put it into your hand, then discard a card at random. Then shuffle.