Savage Gorilla

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

Simian Grunts

Flash
Echo {2}{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.)

Simian Brawler

Discard a land card: Simian Brawler gets +1/+1 until end of turn.

Ferocious Tigorilla

Ferocious Tigorilla enters with your choice of a trample counter or a menace counter on it. (A creature with menace can't be blocked except by two or more creatures.)

Gorilla Shaman

{X}{X}{1}: Destroy target noncreature artifact with mana value X.

Kird Ape

Kird Ape gets +1/+2 as long as you control a Forest.

Ancient Silverback

{G}: Regenerate Ancient Silverback. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Gorilla Chieftain

Gorilla Pack

Gorilla Pack can't attack unless defending player controls a Forest.
When you control no Forests, sacrifice Gorilla Pack.

Gorilla Warrior

Silverback Shaman

Trample
When Silverback Shaman dies, draw a card.

Simian Spirit Guide

Exile Simian Spirit Guide from your hand: Add {R}.

Apes of Rath

Whenever Apes of Rath attacks, it doesn't untap during its controller's next untap step.

Barbary Apes

Kird Chieftain

Kird Chieftain gets +1/+1 as long as you control a Forest.
{4}{G}: Target creature gets +2/+2 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Gorilla Titan

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

Gargantuan Gorilla

At the beginning of your upkeep, you may sacrifice a Forest. If you sacrifice a snow Forest this way, Gargantuan Gorilla gains trample until end of turn. If you don't sacrifice a Forest, sacrifice Gargantuan Gorilla and it deals 7 damage to you.
{T}: Gargantuan Gorilla deals damage equal to its power to another target creature. That creature deals damage equal to its power to Gargantuan Gorilla.

Plains

Silverback Ape

Uktabi Orangutan

When Uktabi Orangutan enters, destroy target artifact.

Thieving Amalgam

At the beginning of each opponent's upkeep, you manifest the top card of that player's library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)
Whenever a creature you control but don't own dies, its owner loses 2 life and you gain 2 life.

Sidisi's Pet

Lifelink (Damage dealt by this creature also causes you to gain that much life.)
Morph {1}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Hooting Mandrills

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

Gorilla Berserkers

Trample; rampage 2 (Whenever this creature becomes blocked, it gets +2/+2 until end of turn for each creature blocking it beyond the first.)
Gorilla Berserkers can't be blocked except by three or more creatures.

Kogla, the Titan Ape

When Kogla, the Titan Ape enters, it fights up to one target creature you don't control.
Whenever Kogla attacks, destroy target artifact or enchantment defending player controls.
{1}{G}: Return target Human you control to its owner's hand. Kogla gains indestructible until end of turn.

Summit Apes

As long as you control a Mountain, Summit Apes has menace. (It can't be blocked except by two or more creatures.)

Uktabi Kong

Trample
When Uktabi Kong enters, destroy all artifacts.
Tap two untapped Apes you control: Create a 1/1 green Ape creature token.

Grunn, the Lonely King

Kicker {3} (You may pay an additional {3} as you cast this spell.)
If Grunn, the Lonely King was kicked, it enters with five +1/+1 counters on it.
Whenever Grunn attacks alone, double its power and toughness until end of turn.

Morophon, the Boundless

Changeling (This card is every creature type.)
As Morophon, the Boundless enters, choose a creature type.
Spells of the chosen type you cast cost {W}{U}{B}{R}{G} less to cast. This effect reduces only the amount of colored mana you pay.
Other creatures you control of the chosen type get +1/+1.

Raging Gorilla

Whenever Raging Gorilla blocks or becomes blocked, it gets +2/-2 until end of turn.

Teferi, Hero of Dominaria

+1: Draw a card. At the beginning of the next end step, untap up to two lands.
−3: Put target nonland permanent into its owner's library third from the top.
−8: You get an emblem with "Whenever you draw a card, exile target permanent an opponent controls."