Whenever Jackal Pup is dealt damage, it deals that much damage to you.

Destroy all artifacts, creatures, and lands. They can't be regenerated.

Vigilance, trample, haste

Whenever Karvanista attacks, put a +1/+1 counter on each Human you control.

Knickknack Ouphe enters the battlefield with X +1/+1 counters on it.

When Knickknack Ouphe enters the battlefield, reveal the top X cards of your library. You may put any number of Aura cards with mana value X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield on the bottom of your library in a random order.

Reveal the top six cards of your library. Put up to three enchantment cards from among them into your hand and the rest of the revealed cards into your graveyard.

: Add for each card you've drawn this turn.

Partner (You can have two commanders if both have partner.)

Light Up the Night deals X damage to any target. It deals X plus 1 damage instead if that target is a creature or planeswalker.

Flashback—, Remove X loyalty counters from among planeswalkers you control. If you cast this spell this way, X can't be 0. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever a player casts their second spell each turn, you lose 1 life and create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Trample, haste

Lupine Harbingers enters the battlefield with X +1/+1 counters on it, where X is the number of turns you've begun since it was foretold.

Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Whenever a creature you control explores, target creature an opponent controls gets -2/-2 until end of turn.

Create X 1/1 white Soldier creature tokens. If X is 5 or more, destroy all other creatures.

As an additional cost to cast this spell, sacrifice X Contraptions.

Assemble X plus one Contraptions. (To assemble a Contraption, put the top card of your Contraption deck face up onto one of your sprockets.)

Create a token that's a copy of target artifact or creature you control, except it's an artifact in addition to its other types. It gains haste until end of turn. Sacrifice it at the beginning of the next end step.

Spend only mana produced by creatures to cast this spell.

Flying, hexproof from monocolored

Each instant and sorcery card in your graveyard that's exactly two colors has jump-start. (You may cast that card from your graveyard by discarding a card in addition to paying its other costs. Then exile it.)

Flying, trample, lifelink

Sacrifice another creature: Draw a card.

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.

At the beginning of each opponent's upkeep, if that player has two or fewer cards in hand, Paupers' Cage deals 2 damage to that player.

Enchant artifact, creature, or planeswalker

Enchanted permanent can't attack or block, and its activated abilities can't be activated.

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.)

: This creature deals X damage to any target, where X is the number of times this creature has mutated.

Untap all creatures and lands you control during each other player's untap step.

You may cast creature spells as though they had flash.

, : Create a 0/1 blue Homunculus artifact creature token.

At the beginning of your upkeep, sacrifice a Homunculus.

At the beginning of your end step, exile up to one target creature card from your graveyard. If you do, seek a creature card with mana value equal to the mana value of that card plus one. That card perpetually gains menace.

, : You may tap or untap target creature.

Flip a coin. If you win the flip, destroy all creatures with power 2 or less. If you lose the flip, destroy all creatures with power 3 or greater.

Whenever Quickbeam, Upstart Ent or another Treefolk enters the battlefield under your control, up to two target creatures each get +2/+2 and gain trample until end of turn.

When Ravenous Chupacabra enters the battlefield, destroy target creature an opponent controls.

Choose one —

• You gain 6 life.

• Prevent the next 6 damage that would be dealt to target creature this turn.

Return target creature card from your graveyard to the battlefield. If it's an Elf, create two 1/1 green Elf Warrior creature tokens.

Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Sacrifice a creature. Rupture deals damage equal to that creature's power to each creature without flying and each player.

Until end of turn, target creature you control becomes a green Wurm with base power and toughness 6/4.

Overload (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Flying, ward

When Shadow Puppeteers enters the battlefield, create two 1/1 black Faerie Rogue creature tokens with flying.

Whenever a creature you control with flying attacks, you may have it become a red Dragon with base power and toughness 4/4 in addition to its other colors and types until end of turn.

, , Discard a card: Each player loses 2 life.

Partner with Soulblade Renewer (When this creature enters the battlefield, target player may put Soulblade Renewer into their hand from their library, then shuffle.)

Deathtouch

Whenever a creature with a +1/+1 counter on it attacks one of your opponents, that creature gains deathtouch until end of turn.

Whenever you cast a spell with an odd mana value, convert Soundwave. If you do, create Ravage, a legendary 3/3 black Robot artifact creature token with menace and deathtouch.

Whenever you cast a spell with an even mana value, convert Soundwave. If you do, create Laserbeak, a legendary 2/2 blue Robot artifact creature token with flying and hexproof.

When Spark Rupture enters the battlefield, draw a card.

Each planeswalker with one or more loyalty counters on it loses all abilities and is a creature with power and toughness each equal to the number of loyalty counters on it.

Spells that target Spellwild Ouphe cost less to cast.

Star Pupil enters the battlefield with a +1/+1 counter on it.

When Star Pupil dies, put its counters on target creature you control.

Open two Attractions. (Put the top two cards of your Attraction deck onto the battlefield.)

When Stitcher's Supplier enters the battlefield or dies, mill three cards.

Target opponent discards a card at random, then discards a card.

Trample

When Super Mutant Scavenger enters the battlefield or dies, return up to one target Aura or Equipment card from your graveyard to your hand.

Trample (This spell can deal excess damage to its target's controller.)

Super-Duper Death Ray deals 4 damage to target creature.

Superior Numbers deals damage to target creature equal to the number of creatures you control in excess of the number of creatures target opponent controls.

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control."

Return target creature to its owner's hand. You create a token that's a copy of that creature.

When Supply Caravan enters the battlefield, if you control a tapped creature, create a 1/1 white Warrior creature token with vigilance.

When Supply Runners enters the battlefield, put a +1/+1 counter on each other creature you control.

Target player exiles all cards from their hand face down. At the beginning of the end step of that player's next turn, that player returns those cards to their hand.

Activated abilities cost more to activate unless they're mana abilities.