Wild Elephant

Plains

Ancient Brontodon

Jungle Lion

Hooting Mandrills

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Trample

Rat Colony

Rat Colony gets +1/+0 for each other Rat you control.
A deck can have any number of cards named Rat Colony.

Island

Charging Rhino

Charging Rhino can't be blocked by more than one creature.

Courier Hawk

Greater Tanuki

Trample
Channel — {2}{G}, Discard Greater Tanuki: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Bristling Boar

Bristling Boar can't be blocked by more than one creature.

Gorilla Titan

Trample
Gorilla Titan gets +4/+4 as long as there are no cards in your graveyard.

Alpine Watchdog

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

Bronze Walrus

When Bronze Walrus enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)
{T}: Add one mana of any color.

King Cheetah

Mountain

Catacomb Crocodile

Pack Leader

Other Dogs you control get +1/+1.
Whenever Pack Leader attacks, prevent all combat damage that would be dealt this turn to Dogs you control.

Zoologist

{3}{G}, {T}: Reveal the top card of your library. If it's a creature card, put it onto the battlefield. Otherwise, put it into your graveyard.

Cloudchaser Eagle

Flying
When Cloudchaser Eagle enters, destroy target enchantment.

King of the Pride

Gigantosaurus

Barbary Apes

Jamuraan Lion

{W}, {T}: Target creature can't block this turn.

Monkey Cage

When a creature enters, sacrifice Monkey Cage and create X 2/2 green Monkey creature tokens, where X is that creature's mana value.

Bay Falcon

Aggressive Mammoth

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Other creatures you control have trample.

Bloated Toad

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

Bear Cub

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.)

Swamp

Monstrous Hound

Monstrous Hound can't attack unless you control more lands than defending player.
Monstrous Hound can't block unless you control more lands than attacking player.

Grizzly Bears

Zodiac Rooster

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

Black Cat

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

Forest

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.)

Pygmy Hippo

Whenever Pygmy Hippo attacks and isn't blocked, you may have defending player activate a mana ability of each land they control and lose all unspent mana. If you do, Pygmy Hippo assigns no combat damage this turn and at the beginning of your next main phase this turn, you add an amount of {C} equal to the amount of mana that player lost this way.

Emperor Crocodile

When you control no other creatures, sacrifice Emperor Crocodile.

Bull Hippo

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

Birds of Paradise

Giant Tortoise

Giant Tortoise gets +0/+3 as long as it's untapped.

Sabretooth Tiger

Horde of Notions

Vigilance, trample, haste
{W}{U}{B}{R}{G}: You may play target Elemental card from your graveyard without paying its mana cost.

Tree Monkey

Reach (This creature can block creatures with flying.)

Festering Newt

When Festering Newt dies, target creature an opponent controls gets -1/-1 until end of turn. That creature gets -4/-4 instead if you control a creature named Bogbrew Witch.

Anaconda

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

Emiel the Blessed

{3}: Exile another target creature you control, then return it to the battlefield under its owner's control.
Whenever another creature you control enters, you may pay {G/W}. If you do, put a +1/+1 counter on it. If it's a Unicorn, put two +1/+1 counters on it instead. ({G/W} can be paid with either {G} or {W}.)