Have

Bayou Dragonfly

Flying; swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Tundra Wolves

First strike (This creature deals combat damage before creatures without first strike.)

Savage Gorilla

{U}{B}, {T}, Sacrifice Savage Gorilla: Target creature gets -3/-3 until end of turn. Draw a card.

Prize Pig

Whenever you gain life, put that many ribbon counters on Prize Pig. Then if there are three or more ribbon counters on Prize Pig, remove those counters and untap it.
{T}: Add one mana of any color.

Emerald Dragonfly

Flying
{G}{G}: Emerald Dragonfly gains first strike until end of turn.

Anaconda

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Forest Bear

Canopy Spider

Reach (This creature can block creatures with flying.)

Army Ants

{T}, Sacrifice a land: Destroy target land.

Ferocious Pup

When Ferocious Pup enters, create a 2/2 green Wolf creature token.

Fledgling Osprey

Fledgling Osprey has flying as long as it's enchanted.

Yoked Ox

Don't Have

Swamp

Plains

Electric Eel

When Electric Eel enters, it deals 1 damage to you.
{R}{R}: Electric Eel gets +2/+0 until end of turn and deals 1 damage to you.

Fire Ants

{T}: Fire Ants deals 1 damage to each other creature without flying.

Howling Wolf

When Howling Wolf enters, you may search your library for up to three cards named Howling Wolf, reveal them, put them into your hand, then shuffle.

Tree Monkey

Clinging Anemones

Defender
Evolve (Whenever a creature enters under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

Murder of Crows

Flying
Whenever another creature dies, you may draw a card. If you do, discard a card.

Robber Fly

Flying
Whenever Robber Fly becomes blocked, defending player discards all the cards in their hand, then draws that many cards.

Gang of Elk

Whenever Gang of Elk becomes blocked, it gets +2/+2 until end of turn for each creature blocking it.

Brindle Boar

Arctic Foxes

Arctic Foxes can't be blocked by creatures with power 2 or greater as long as defending player controls a snow land.

Ant Queen

{1}{G}: Create a 1/1 green Insect creature token.

Deadly Recluse

Reach (This creature can block creatures with flying.)
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

River Boa

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
{G}: Regenerate River Boa.

Boa Constrictor

{T}: Boa Constrictor gets +3/+3 until end of turn.

Wolverine Pack

Rampage 2 (Whenever this creature becomes blocked, it gets +2/+2 until end of turn for each creature blocking it beyond the first.)

Quagmire Lamprey

Whenever Quagmire Lamprey becomes blocked by a creature, put a -1/-1 counter on that creature.

Marsh Boa

Locust Swarm

Flying
{G}: Regenerate Locust Swarm.
{G}: Untap Locust Swarm. Activate only once each turn.

Solitary Camel

Solitary Camel has lifelink as long as you control a Desert or there is a Desert card in your graveyard. (Damage dealt by this creature also causes you to gain that much life.)

Animal Sanctuary

{T}: Add {C}.
{2}, {T}: Put a +1/+1 counter on target Bird, Cat, Dog, Goat, Ox, or Snake.

Trained Cheetah

Whenever Trained Cheetah becomes blocked, it gets +1/+1 until end of turn.

Brood of Cockroaches

When Brood of Cockroaches is put into your graveyard from the battlefield, at the beginning of the next end step, you lose 1 life and return Brood of Cockroaches to your hand.

Warthog

Silverback Ape

Shipwreck Moray

When Shipwreck Moray enters, you get {E}{E}{E}{E} (four energy counters).
Pay {E}: Shipwreck Moray gets +2/-2 until end of turn.

Deepwood Wolverine

Whenever Deepwood Wolverine becomes blocked, it gets +2/+0 until end of turn.

Brindle Shoat

When Brindle Shoat dies, create a 3/3 green Boar creature token.

Raging Cougar

Ravenous Baboons

When Ravenous Baboons enters, destroy target nonbasic land.

Man-o'-War

When Man-o'-War enters, return target creature to its owner's hand.

Timber Wolves

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Bear Cub

Goliath Beetle

Invasive Species

When Invasive Species enters, return another permanent you control to its owner's hand.

Riptide Turtle

Stag Beetle

Stag Beetle enters with X +1/+1 counters on it, where X is the number of other creatures on the battlefield.

Mire Boa

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
{G}: Regenerate Mire Boa. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Territorial Boar

Whenever a creature you control with power 4 or greater enters, Territorial Boar gets +1/+1 and gains vigilance until end of turn.

Coral Eel

Kingfisher

Flying
When Kingfisher dies, draw a card.

Canyon Jerboa

Landfall — Whenever a land you control enters, creatures you control get +1/+1 until end of turn.

Thieving Magpie

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever Thieving Magpie deals damage to an opponent, draw a card.

Trusty Companion

Vigilance
Trusty Companion can't attack alone.

Sinister Starfish

{T}: Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Camel

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)
As long as Camel is attacking, prevent all damage Deserts would deal to Camel and to creatures banded with Camel.

Generous Stray

Leaping Lizard

{1}{G}: Leaping Lizard gets -0/-1 and gains flying until end of turn.

Grizzly Bears

Woolly Spider

Reach (This creature can block creatures with flying.)
Whenever Woolly Spider blocks a creature with flying, Woolly Spider gets +0/+2 until end of turn.

Carrier Pigeons

Flying
When Carrier Pigeons enters, draw a card at the beginning of the next turn's upkeep.

School of Piranha

At the beginning of your upkeep, sacrifice School of Piranha unless you pay {1}{U}.

Bay Falcon

King Crab

{1}{U}, {T}: Put target green creature on top of its owner's library.

Pride of Lions

You may have Pride of Lions assign its combat damage as though it weren't blocked.

Python

Pouncing Jaguar

Echo {G} (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.)

Hornet Nest

Defender (This creature can't attack.)
Whenever Hornet Nest is dealt damage, create that many 1/1 green Insect creature tokens with flying and deathtouch. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)

Forest

Kenrith, the Returned King

{R}: All creatures gain trample and haste until end of turn.
{1}{G}: Put a +1/+1 counter on target creature.
{2}{W}: Target player gains 5 life.
{3}{U}: Target player draws a card.
{4}{B}: Put target creature card from a graveyard onto the battlefield under its owner's control.

River Hoopoe

Flying
{3}{G}{U}: You gain 2 life and draw a card.

Hyena Pack

Narwhal

Killer Whale

{U}: Killer Whale gains flying until end of turn.

Rootwater Alligator

Sacrifice a Forest: Regenerate Rootwater Alligator.

Bloated Toad

Protection from blue
Cycling {2} ({2}, Discard this card: Draw a card.)

Fog of Gnats

Firefly

Flying
{R}: Firefly gets +1/+0 until end of turn.

Hightide Hermit

Defender
When Hightide Hermit enters, you get {E}{E}{E}{E} (four energy counters).
Pay {E}{E}: Hightide Hermit can attack this turn as though it didn't have defender.

Charging Badger

Graceful Antelope

Plainswalk (This creature can't be blocked as long as defending player controls a Plains.)
Whenever Graceful Antelope deals combat damage to a player, you may have target land become a Plains until Graceful Antelope leaves the battlefield.

Mesa Falcon

Flying
{1}{W}: Mesa Falcon gets +0/+1 until end of turn.

Land Leeches

Manta Ray

Manta Ray can't attack unless defending player controls an Island.
Manta Ray can't be blocked except by blue creatures.
When you control no Islands, sacrifice Manta Ray.

Jegantha, the Wellspring

Companion — No card in your starting deck has more than one of the same mana symbol in its mana cost. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.)
{T}: Add {W}{U}{B}{R}{G}. This mana can't be spent to pay generic mana costs.

Pincher Beetles

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

Bull Hippo

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Tidal Barracuda

Any player may cast spells as though they had flash.
Your opponents can't cast spells during your turn.

Swamp Mosquito

Flying
Whenever Swamp Mosquito attacks and isn't blocked, defending player gets a poison counter. (A player with ten or more poison counters loses the game.)

Alpine Watchdog

Vigilance (Attacking doesn't cause this creature to tap.)

Horseshoe Crab

Pincer Spider

Kicker {3} (You may pay an additional {3} as you cast this spell.)
Reach (This creature can block creatures with flying.)
If Pincer Spider was kicked, it enters with a +1/+1 counter on it.

Stampeding Rhino

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Raging Bull

Highland Game

When Highland Game dies, you gain 2 life.

Mountain Goat

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

Wild Ox

Rabid Wolverines

Whenever Rabid Wolverines becomes blocked by a creature, Rabid Wolverines gets +1/+1 until end of turn.

Wild Dogs

At the beginning of your upkeep, if a player has more life than each other player, the player with the most life gains control of Wild Dogs.
Cycling {2} ({2}, Discard this card: Draw a card.)

Sea Eagle

Nimble Mongoose

Shroud (This creature can't be the target of spells or abilities.)
Threshold — Nimble Mongoose gets +2/+2 as long as seven or more cards are in your graveyard.

Umori, the Collector

Companion — Each nonland card in your starting deck shares a card type. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.)
As Umori, the Collector enters, choose a card type.
Spells you cast of the chosen type cost {1} less to cast.

Glowing Anemone

When Glowing Anemone enters, you may return target land to its owner's hand.

War Elephant

Trample; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Hammerhead Shark

Hammerhead Shark can't attack unless defending player controls an Island.

Vexing Gull

Reef Worm

When Reef Worm dies, create a 3/3 blue Fish creature token with "When this creature dies, create a 6/6 blue Whale creature token with 'When this creature dies, create a 9/9 blue Kraken creature token.'"

Reckless Pangolin

Whenever Reckless Pangolin attacks, it gets +1/+1 until end of turn.

Storm Crow

Flying (This creature can't be blocked except by creatures with flying or reach.)