Activated abilities of creatures you control cost {X} less to activate, where X is Agatha of the Vile Cauldron's power. This effect can't reduce the mana in that cost to less than one mana.

{4}{R}{G}: Other creatures you control get +1/+1 and gain trample and haste until end of turn.

Choose one --

• Search your library for a creature or land card and reveal it. Put it onto the battlefield tapped if it's a land card. Otherwise, put it into your hand. Then shuffle.

• Put a +1/+1 counter on target creature you control. It deals damage equal to its power to target creature you don't control.

• Exile target artifact or enchantment.

+1: Until end of turn, up to one target creature gets +2/+2 and gains vigilance and haste.

0: Create a 2/2 green Wolf creature token. Transform Arlinn Kord.

+1: Creatures you control get +1/+1 and gain trample until end of turn.

-1: Arlinn, Embraced by the Moon deals 3 damage to any target. Transform Arlinn, Embraced by the Moon.

-6: You get an emblem with "Creatures you control have haste and '{T}: This creature deals damage equal to its power to any target.'"

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

+1: Until your next turn, you may cast creature spells as though they had flash, and each creature you control enters the battlefield with an additional +1/+1 counter on it.

-3: Create two 2/2 green Wolf creature tokens.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

+2: Add {R}{G}.

0: Until end of turn, Arlinn, the Moon's Fury becomes a 5/5 Werewolf creature with trample, indestructible, and haste.

Trample, haste

Skilled Outrider -- Whenever Atalan Jackal deals combat damage to a player, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Trample, haste

At the beginning of the end step, Blitz Hellion's owner shuffles it into their library.

Trample

Other red creatures you control get +1/+1.

Other green creatures you control get +1/+1.

Trample

Whenever Borborygmos deals combat damage to a player, put a +1/+1 counter on each creature you control.

Trample

Whenever Borborygmos Enraged deals combat damage to a player, reveal the top three cards of your library. Put all land cards revealed this way into your hand and the rest into your graveyard.

Discard a land card: Borborygmos Enraged deals 3 damage to any target.

Choose one --

• Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

• Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.)

This creature can't be blocked by creatures with power 2 or less.

({T}: Add {R} or {G}.)

Cinder Glade enters the battlefield tapped unless you control two or more basic lands.

Kicker {2}{G} (You may pay an additional {2}{G} as you cast this spell.)

When Citanul Woodreaders enters the battlefield, if it was kicked, draw two cards.

Collision deals 6 damage to target creature with flying.

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Target creature gets +4/+2 and gains trample until end of turn.

Kicker {R} (You may pay an additional {R} as you cast this spell.)

Target creature gets +3/+3 until end of turn. If this spell was kicked, instead that creature gets +4/+4 and gains trample and haste until end of turn.

Target creature gets +4/+2 and gains trample until end of turn.

({T}: Add {R} or {G}.)

Commercial District enters the battlefield tapped.

When Commercial District enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

At the beginning of your end step, choose one or more --

• Put a +1/+1 counter on target creature with a counter on it.

• Draw a card if you control an enchanted creature.

• Create a 1/1 colorless Spirit creature token if you control an equipped creature.

Copperline Gorge enters the battlefield tapped unless you control two or fewer other lands.

{T}: Add {R} or {G}.

{T}: Add {R}.

{T}: Add {G}.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Destroy target artifact, target creature, target enchantment, and target land. (You can't cast this spell unless you have legal choices for all its targets.)

First strike

As an additional cost to cast red permanent spells, you may pay 2 life. Those spells cost {R} less to cast if you paid life this way. This effect reduces only the amount of red mana you pay.

Whenever you cast a red permanent spell, Defiler of Instinct deals 1 damage to any target.

Trample

When Domri's Nodorog enters the battlefield, you may search your library and/or graveyard for a card named Domri, City Smasher, reveal it, and put it into your hand. If you search your library this way, shuffle.

+2: Creatures you control get +1/+1 and gain haste until end of turn.

-3: Domri, City Smasher deals 3 damage to any target.

-8: Put three +1/+1 counters on each creature you control. Those creatures gain trample until end of turn.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

Trample

Whenever a source you control deals 5 or more damage to a player, draw a card.

Flying, trample

When Dragonlord Atarka enters the battlefield, it deals 5 damage divided as you choose among any number of target creatures and/or planeswalkers your opponents control.

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Trample

Tribute 1 (As this creature enters the battlefield, an opponent of your choice may put a +1/+1 counter on it.)

When Fanatic of Xenagos enters the battlefield, if tribute wasn't paid, it gets +1/+1 and gains haste until end of turn.

Echo {5}{R} (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.)

When Firemaw Kavu enters the battlefield, it deals 2 damage to target creature.

When Firemaw Kavu leaves the battlefield, it deals 4 damage to target creature.

You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost.

Firewild Borderpost enters the battlefield tapped.

{T}: Add {R} or {G}.

When Flametongue Kavu enters the battlefield, it deals 4 damage to target creature.

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.)

Flametongue Yearling enters the battlefield with a +1/+1 counter on it for each time it was kicked.

When Flametongue Yearling enters the battlefield, it deals damage equal to its power to target creature.

Menace (This creature can't be blocked except by two or more creatures.)

{R}: Flowstone Kavu gets +1/-1 until end of turn.

Destroy target land. Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

As Game Trail enters the battlefield, you may reveal a Mountain or Forest card from your hand. If you don't, Game Trail enters the battlefield tapped.

{T}: Add {R} or {G}.

({R/G} can be paid with either {R} or {G}.)

Trample; haste; shroud (This creature can't be the target of spells or abilities.)

Enchant land

When Grafted Growth enters the battlefield, put a +1/+1 counter on target creature or Vehicle you control.

Enchanted land has "{T}: Add two mana of any one color."

Gruul Guildgate enters the battlefield tapped.

{T}: Add {R} or {G}.

{T}: Add {R} or {G}.

{R}{G}: Gruul Keyrune becomes a 3/2 red and green Beast artifact creature with trample until end of turn.

Gruul Turf enters the battlefield tapped.

When Gruul Turf enters the battlefield, return a land you control to its owner's hand.

{T}: Add {R}{G}.

Trample

Whenever you cast a spell, if that spell was kicked, put a +1/+1 counter on Hallar, the Firefletcher, then Hallar deals damage equal to the number of +1/+1 counters on it to each opponent.

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

Enchant creature

When Hydra's Growth enters the battlefield, put a +1/+1 counter on enchanted creature.

At the beginning of your upkeep, double the number of +1/+1 counters on enchanted creature.

When Kavu Climber enters the battlefield, draw a card.

When Kavu Howler enters the battlefield, reveal the top four cards of your library. Put all Kavu cards revealed this way into your hand and the rest on the bottom of your library in any order.

Trample

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

Kavu creatures have trample.

Whenever another Kavu enters the battlefield, put a +1/+1 counter on Kavu Monarch.

Trample

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

Kicker {4} (You may pay an additional {4} as you cast this spell.)

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

If Kavu Primarch was kicked, it enters the battlefield with four +1/+1 counters on it.

Kicker {2}{G} (You may pay an additional {2}{G} as you cast this spell.)

If Kavu Titan was kicked, it enters the battlefield with three +1/+1 counters on it and with trample.

Kazandu Refuge enters the battlefield tapped.

When Kazandu Refuge enters the battlefield, you gain 1 life.

{T}: Add {R} or {G}.

Landfall -- Whenever a land enters the battlefield under your control, you may put a quest counter on Khalni Heart Expedition.

Remove three quest counters from Khalni Heart Expedition and sacrifice it: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

When Kogla and Yidaro enters the battlefield, choose one --

• It gains trample and haste until end of turn.

• It fights target creature you don't control.

{2}{R}{G}, Discard Kogla and Yidaro: Destroy up to one target artifact or enchantment. Shuffle Kogla and Yidaro into your library from your graveyard, then draw a card.

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

Kicker {2}{R} (You may pay an additional {2}{R} as you cast this spell.)

First strike

If Pouncing Kavu was kicked, it enters the battlefield with two +1/+1 counters on it and with haste.

Trample

Whenever one or more creatures you control with trample deal combat damage to a player, create an X/X green Dinosaur Beast creature token with trample, where X is the amount of damage those creatures dealt to that player.

Flash

Haste

Trample

Whenever a land enters the battlefield, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

Kicker {G} (You may pay an additional {G} as you cast this spell.)

Creatures you control gain first strike until end of turn. If this spell was kicked, they get +1/+1 until end of turn.

Trample

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Whenever a creature enters the battlefield under your control, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Whenever you cast a spell that targets a creature you control, draw a card.

{R}: Serpentine Kavu gains haste until end of turn.

When Sparkcaster enters the battlefield, return a red or green creature you control to its owner's hand.

When Sparkcaster enters the battlefield, it deals 1 damage to target player or planeswalker.

Kicker {G} (You may pay an additional {G} as you cast this spell.)

When Sprouting Goblin enters the battlefield, if it was kicked, search your library for a land card with a basic land type, reveal it, put it into your hand, then shuffle.

{R}, {T}, Sacrifice a land: Draw a card.

Trample

Whenever a creature you control with trample attacks, it gets +2/+2 until end of turn.

Trample

Whenever Tana, the Bloodsower deals combat damage to a player, create that many 1/1 green Saproling creature tokens.

Partner (You can have two commanders if both have partner.)

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.

Target creature you control deals damage equal to its power to target creature or planeswalker you don't control.

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Create a 4/4 red and green Beast creature token with trample.

First strike

Black spells and green spells you cast cost {1} less to cast.

Kicker {3} (You may pay an additional {3} as you cast this spell.)

Vigilance, trample

If Untamed Kavu was kicked, it enters the battlefield with three +1/+1 counters on it.

Kicker {1}{R} (You may pay an additional {1}{R} as you cast this spell.)

When Verduran Emissary enters the battlefield, if it was kicked, destroy target artifact. It can't be regenerated.

Kicker {2}{G} (You may pay an additional {2}{G} as you cast this spell.)

Haste

If Viashino Branchrider was kicked, it enters the battlefield with two +1/+1 counters on it.

{2}{R}: Viashino Branchrider gets +2/+0 until end of turn.

Kicker {R} (You may pay an additional {R} as you cast this spell.)

Trample

When Yavimaya Iconoclast enters the battlefield, if it was kicked, it gets +1/+1 and gains haste until end of turn.

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.

Trample

Lethal damage dealt to creatures you control is determined by their power rather than their toughness.