Leesha Hannigan

Cryptic Trilobite

Cryptic Trilobite enters the battlefield with X +1/+1 counters on it.
Remove a +1/+1 counter from Cryptic Trilobite: Add {C}{C}. Spend this mana only to activate abilities.
{1}, {T}: Put a +1/+1 counter on Cryptic Trilobite.

This creature enters with X +1/+1 counters on it.
Remove a +1/+1 counter from this creature: Add {C}{C}. Spend this mana only to activate abilities.
{1}, {T}: Put a +1/+1 counter on this creature.

Murf

Worm

Tribble Cluster

At the beginning of combat on your turn, put a +1/+1 counter on this creature.
When this creature dies, create X 1/1 white Tribble creature tokens with "This token can't block," where X is this creature's power.

"I have an ultimate storage capacity of eight hundred quadrillion bits. My total linear computational speed has been rated at sixty trillion operations per second."
—Lieutenant Commander Data

Thought Vessel

You have no maximum hand size.
{T}: Add {C}.

"Spot, you are disrupting my ability to work."
—Lieutenant Commander Data

Spot, Felis catus

Whenever Spot or another nontoken legendary permanent you control enters, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")
{4}, Sacrifice a Food: Destroy target artifact.

"Two of the same animal, but different. One gentle, this. One mean and fierce, that."
—Chief Montgomery Scott

Return of the Wildspeaker

Choose one —
• Draw cards equal to the greatest power among non-Human creatures you control.
• Non-Human creatures you control get +3/+3 until end of turn.

"If one were to sting me, I should swell up as big again as I am!"
—Bilbo

Great Fierce Bee

Flying
Whenever one or more other creatures die, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Dancing from Dark to Dawn // Dancing from Dark to Dawn

"There must have been a regular bears' meeting outside here last night."
—Gandalf

Dancing from Dark to Dawn

Whenever you cast a creature spell, put X +1/+1 counters on target creature you control, where X is that spell's mana value.
Landfall — Whenever a land you control enters, create a 2/2 green Bear creature token.

Bird Soldier

Bear

Redwing

Flying
Whenever Redwing attacks, surveil 1.

"Lockheed! Hairball! Lockjaw! Redwing! To me!"
—Throg

Pet Avengers

Reach
Power-up — {6}{G}: Put a +1/+1 counter on this creature and create a 3/2 white Hero creature token with vigilance. (Activate each power-up ability only once. Reduce the cost by its mana cost if it entered this turn.)

Bast, Panther Goddess

Reach, trample, indestructible
Bast can't attack or block unless you control three or more creatures.
Whenever you attack, target attacking creature gets +X/+X until end of turn, where X is the number of creatures you control.

The Eumidian biotechs were delighted when a mutated malware gene devastated their systems. They'd encourage the trait, so long as future clutches could be contained.

Virus Beetle

When this creature enters, each opponent discards a card.

"Safe? Buddy, the whole planet is falling apart, we don't have time for safe."
—Dorgan, Kav roboticist

Kavaron Turbodrone

{T}: Target creature you control gets +1/+1 and gains haste until end of turn. Activate only as a sorcery.

As the majestic creature pranced through the market, furious haggling calmed and arguments trailed off.

Steadfast Unicorn

{3}{W}: Creatures you control get +1/+1 and gain vigilance until end of turn. Activate only during your turn. (Attacking doesn't cause them to tap.)

Basri carries on his god's legacy, spreading her teachings throughout the Multiverse.

Basri's Acolyte

Lifelink (Damage dealt by this creature also causes you to gain that much life.)
When this creature enters, put a +1/+1 counter on each of up to two other target creatures you control.

"When your perp goes underground, I know where to find 'em."

Tunnel Tipster

At the beginning of your end step, if a face-down creature entered the battlefield under your control this turn, put a +1/+1 counter on this creature.
{T}: Add {G}.

Merfolk

Human

By the time they noticed the missing vials, Glovax was three fathoms away.

Bubble Smuggler

Disguise {5}{U} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.)
As this creature is turned face up, put four +1/+1 counters on it.

A Killer Among Us

When this enchantment enters, create a 1/1 white Human creature token, a 1/1 blue Merfolk creature token, and a 1/1 red Goblin creature token. Then secretly choose Human, Merfolk, or Goblin.
Sacrifice this enchantment, Reveal the creature type you chose: If target attacking creature token is the chosen type, put three +1/+1 counters on it and it gains deathtouch until end of turn.

Lord Skitter's Butcher

When this creature enters, choose one —
• Create a 1/1 black Rat creature token with "This token can't block."
• You may sacrifice another creature. If you do, scry 2, then draw a card.
• Creatures you control gain menace until end of turn.

The mayor sent hounds to root out Lord Skitter, but their loyalty was easily bought with a handful of bones.

Edgewall Pack

Menace (This creature can't be blocked except by two or more creatures.)
When this creature enters, create a 1/1 black Rat creature token with "This token can't block."

Subira, Tulzidi Caravanner

Haste
{1}: Another target creature with power 2 or less can't be blocked this turn.
{1}{R}, {T}, Discard your hand: Until end of turn, whenever a creature you control with power 2 or less deals combat damage to a player, draw a card.

Cat Bird

"You want it good, fast, or cheap? You can't have all three."

Arms Race

{3}{R}: You may put an artifact card from your hand onto the battlefield. That artifact gains haste. Sacrifice it at the beginning of the next end step.

Rin and Seri, Inseparable

Whenever you cast a Dog spell, create a 1/1 green Cat creature token.
Whenever you cast a Cat spell, create a 1/1 white Dog creature token.
{R}{G}{W}, {T}: Rin and Seri deals damage to any target equal to the number of Dogs you control. You gain life equal to the number of Cats you control.

"You're not setting foot in here. Not on our watch!"

Keral Keep Disciples

Whenever you activate a loyalty ability of a Chandra planeswalker, this creature deals 1 damage to each opponent.

Vulpikeet

Mutate {2}{W} (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.)
Flying
Whenever this creature mutates, put a +1/+1 counter on it.

Huntmaster Liger

Mutate {2}{W} (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.)
Whenever this creature mutates, other creatures you control get +X/+X until end of turn, where X is the number of times this creature has mutated.

"Take us home," she whispered, and the fox's eyes began to glow.

Farfinder

Vigilance
When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.