Herald's Horn

As Herald's Horn enters, choose a creature type.
Creature spells you cast of the chosen type cost {1} less to cast.
At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

Raging Kavu

Radiant Kavu

{R}{G}{W}: Prevent all combat damage blue creatures and black creatures would deal this turn.

Kavu Monarch

Kavu creatures have trample.
Whenever another Kavu enters, put a +1/+1 counter on Kavu Monarch.

Kavu Climber

Amphibious Kavu

Whenever Amphibious Kavu blocks or becomes blocked by one or more blue and/or black creatures, Amphibious Kavu gets +3/+3 until end of turn.

Rogue Kavu

Whenever Rogue Kavu attacks alone, it gets +2/+0 until end of turn.

Yavimaya, Cradle of Growth

Each land is a Forest in addition to its other land types.

Pygmy Kavu

When Pygmy Kavu enters, draw a card for each black creature your opponents control.

Kavu Mauler

Trample
Whenever Kavu Mauler attacks, it gets +1/+1 until end of turn for each other attacking Kavu.

Woodland Changeling

Changeling (This card is every creature type.)

Hooded Kavu

{B}: Hooded Kavu gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Avian Changeling

Changeling (This card is every creature type.)
Flying

Penumbra Kavu

When Penumbra Kavu dies, create a 3/3 black Kavu creature token.

Skittish Kavu

Skittish Kavu gets +1/+1 as long as no opponent controls a white or blue creature.

Irregular Cohort

Changeling (This card is every creature type.)
When Irregular Cohort enters, create a 2/2 colorless Shapeshifter creature token with changeling.

Game-Trail Changeling

Changeling (This card is every creature type.)
Trample

Kavu Titan

Kicker {2}{G} (You may pay an additional {2}{G} as you cast this spell.)
If Kavu Titan was kicked, it enters with three +1/+1 counters on it and with trample.

Kavu Lair

Whenever a creature with power 4 or greater enters, its controller draws a card.

Realmwalker

Changeling (This card is every creature type.)
As Realmwalker enters, choose a creature type.
You may look at the top card of your library any time.
You may cast creature spells of the chosen type from the top of your library.

Changeling Titan

Changeling (This card is every creature type.)
Champion a creature (When this enters, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)

Untamed Kavu

Kicker {3} (You may pay an additional {3} as you cast this spell.)
Vigilance, trample
If Untamed Kavu was kicked, it enters with three +1/+1 counters on it.

Urborg, Tomb of Yawgmoth

Each land is a Swamp in addition to its other land types.

Horned Kavu

When Horned Kavu enters, return a red or green creature you control to its owner's hand.

Yavimaya Kavu

Yavimaya Kavu's power is equal to the number of red creatures on the battlefield.
Yavimaya Kavu's toughness is equal to the number of green creatures on the battlefield.

Kavu Predator

Trample
Whenever an opponent gains life, put that many +1/+1 counters on Kavu Predator.

Tundra

Rooting Kavu

When Rooting Kavu dies, you may exile it. If you do, shuffle all creature cards from your graveyard into your library.

Anger

Haste
As long as Anger is in your graveyard and you control a Mountain, creatures you control have haste.

Territorial Kavu

Domain — Territorial Kavu's power and toughness are each equal to the number of basic land types among lands you control.
Whenever Territorial Kavu attacks, choose one —
• Discard a card. If you do, draw a card.
• Exile up to one target card from a graveyard.

Slimy Kavu

{T}: Target land becomes a Swamp until end of turn.

Venomous Changeling

Changeling (This card is every creature type.)
Deathtouch

Tundra Kavu

{T}: Target land becomes a Plains or an Island until end of turn.

Taurean Mauler

Changeling (This card is every creature type.)
Whenever an opponent casts a spell, you may put a +1/+1 counter on Taurean Mauler.

Game Trail

As Game Trail enters, you may reveal a Mountain or Forest card from your hand. If you don't, Game Trail enters tapped.
{T}: Add {R} or {G}.

Jared Carthalion

+1: Create a 3/3 Kavu creature token with trample that's all colors.
−3: Choose up to two target creatures. For each of them, put a number of +1/+1 counters on it equal to the number of colors it is.
−6: Return target multicolored card from your graveyard to your hand. If that card was all colors, draw a card and create two Treasure tokens.
Jared Carthalion can be your commander.