As an additional cost to cast this spell, sacrifice a creature.

Draw two cards.

Astral Cornucopia enters the battlefield with X charge counters on it.

{T}: Choose a color. Add one mana of that color for each charge counter on Astral Cornucopia.

As an additional cost to cast this spell, discard a card.

Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Whenever a creature dies, put a charge counter on Black Market.

At the beginning of your precombat main phase, add {B} for each charge counter on Black Market.

Whenever Blood Artist or another creature dies, target player loses 1 life and you gain 1 life.

Whenever you sacrifice a permanent, put a +1/+1 counter on Blood Aspirant.

{1}{R}, {T}, Sacrifice a creature or enchantment: Blood Aspirant deals 1 damage to target creature. That creature can't block this turn.

Whenever you sacrifice another permanent, put a +1/+1 counter on Bloodbriar.

Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with that many +1/+1 counters on it.)

Each other creature you control enters the battlefield with an additional X +1/+1 counters on it, where X is the number of +1/+1 counters on Bloodspore Thrinax.

As an additional cost to cast this spell, tap any number of untapped creatures you control.

Burn at the Stake deals damage to any target equal to three times the number of creatures tapped this way.

{1}, Sacrifice Cankerbloom: Choose one --

• Destroy target artifact.

• Destroy target enchantment.

• Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Destroy target artifact, enchantment, or creature with flying. If that permanent's mana value was 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Devoid (This card has no color.)

When Catacomb Sifter enters the battlefield, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}."

Whenever another creature you control dies, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

When Contagion Engine enters the battlefield, put a -1/-1 counter on each creature target player controls.

{4}, {T}: Proliferate, then proliferate again. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)

Trample, toxic 1

Whenever one or more creatures you control deal combat damage to one or more players, proliferate.

Corrupted -- At the beginning of your end step, if an opponent has three or more poison counters, draw a card, then you may put a land card from your hand onto the battlefield.

Converge -- Crystalline Crawler enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.

Remove a +1/+1 counter from Crystalline Crawler: Add one mana of any color.

{T}: Put a +1/+1 counter on Crystalline Crawler.

As an additional cost to cast this spell, sacrifice an artifact or creature.

Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

At the beginning of your upkeep, put a spore counter on Deathspore Thallid.

Remove three spore counters from Deathspore Thallid: Create a 1/1 green Saproling creature token.

Sacrifice a Saproling: Target creature gets -1/-1 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.

Flying

At the beginning of each upkeep, create a 1/1 red and green Dragon creature token with flying and devour 2. (As the token enters the battlefield, you may sacrifice any number of creatures. It enters the battlefield with twice that many +1/+1 counters on it.)

Target creature gets -4/-4 until end of turn. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

At the beginning of your upkeep, put a spore counter on Elvish Farmer.

Remove three spore counters from Elvish Farmer: Create a 1/1 green Saproling creature token.

Sacrifice a Saproling: You gain 2 life.

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

Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked.

{T}: Add {C} for each charge counter on Everflowing Chalice.

Landfall -- Whenever a land enters the battlefield under your control, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{T}, Sacrifice a creature: Put two +1/+1 counters on target creature.

{T}, Remove a counter from a creature you control: Create a Treasure token.

{T}, Sacrifice an artifact: Create a 2/1 white and black Inkling creature token with flying.

{3}{B}: Untap Fain, the Broker.

As an additional cost to cast this spell, sacrifice a creature.

Fling deals damage equal to the sacrificed creature's power to any target.

Menace

Ward--Sacrifice a creature.

Forge, Neverwinter Charlatan gets +2/+0 for each Treasure you control.

Whenever one or more players sacrifice one or more creatures, you create a tapped Treasure token. This ability triggers only once each turn.

Alliance -- Whenever another creature enters the battlefield under your control, choose one that hasn't been chosen this turn --

• Put a +1/+1 counter on Gala Greeters.

• Create a tapped Treasure token.

• You gain 2 life.

{2}: Put a charge counter on Gemstone Array.

Remove a charge counter from Gemstone Array: Add one mana of any color.

Whenever you sacrifice another permanent, put a +1/+1 counter on Gixian Infiltrator.

Glistening Sphere enters the battlefield tapped.

When Glistening Sphere enters the battlefield, proliferate.

{T}: Add one mana of any color.

Corrupted -- {T}: Add three mana of any one color. Activate only if an opponent has three or more poison counters.

Whenever one or more creatures you control deal combat damage to a player, create two Treasure tokens.

{B}, Sacrifice X Treasures: Target creature gets -X/-X until end of turn. Activate only as a sorcery.

Search your library for up to X basic land cards, where X is the number of tapped creatures you control, put those cards onto the battlefield tapped, then shuffle.

Whenever you sacrifice a permanent, Havoc Jester deals 1 damage to any target.

Whenever a creature enters the battlefield under your control, Impact Tremors deals 1 damage to each opponent.

Whenever a player attacks one or more of your opponents, that attacking player creates a Treasure token.

If you would create one or more Treasure tokens, instead create those tokens plus an additional Treasure token.

Sacrifice five Treasures: Put five +1/+1 counters on Jolene.

Whenever you sacrifice a permanent, put a +1/+1 counter on Juri, Master of the Revue.

When Juri dies, it deals damage equal to its power to any target.

{T}: Add {C}.

{4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

As an additional cost to cast this spell, sacrifice a creature.

Kazuul's Fury deals damage equal to the sacrificed creature's power to any target.

Kazuul's Cliffs enters the battlefield tapped.

{T}: Add {R}.

{1}{B}{G}: Target creature gets +1/+1 and gains intimidate until end of turn. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.)

{2}{B}{G}, Sacrifice a nontoken creature: Create X 1/1 green Saproling creature tokens, where X is the sacrificed creature's toughness.

Flying

Whenever Korvold, Fae-Cursed King enters the battlefield or attacks, sacrifice another permanent.

Whenever you sacrifice a permanent, put a +1/+1 counter on Korvold and draw a card.

All Forests and all Saprolings are 1/1 green Saproling creatures and Forest lands in addition to their other types. (They're affected by summoning sickness.)

Llanowar Reborn enters the battlefield tapped.

{T}: Add {G}.

Graft 1 (This land enters the battlefield with a +1/+1 counter on it. Whenever a creature enters the battlefield, you may move a +1/+1 counter from this land onto it.)

At the beginning of your end step, create a Treasure token for each creature that died this turn. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

As Metallic Mimic enters the battlefield, choose a creature type.

Metallic Mimic is the chosen type in addition to its other types.

Each other creature you control of the chosen type enters the battlefield with an additional +1/+1 counter on it.

Devour 2 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with twice that many +1/+1 counters on it.)

At the beginning of your upkeep, create a 1/1 green Saproling creature token for each +1/+1 counter on Mycoloth.

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

Sacrifice a Saproling: Saproling creatures get +1/+1 until end of turn.

Reach

If a creature an opponent controls would die, exile it instead. When you do, create a 1/1 green Saproling creature token.

{G}, Sacrifice a Saproling: Nemata, Primeval Warden gets +2/+2 until end of turn.

{1}{B}, Sacrifice two Saprolings: Draw a card.

{T}: Add {C}.

{1}, {T}: Move a counter from target permanent you control onto another target permanent. Activate only as a sorcery.

Partner with Toothy, Imaginary Friend (When this creature enters the battlefield, target player may put Toothy into their hand from their library, then shuffle.)

If one or more counters would be put on a permanent your team controls, that many plus one of each of those kinds of counters are put on that permanent instead.

As an additional cost to cast this spell, discard a card.

Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Whenever another creature you control dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

{T}, Sacrifice a creature: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying

Devour 2 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with twice that many +1/+1 counters on it.)

Whenever Preyseizer Dragon attacks, it deals damage to any target equal to the number of +1/+1 counters on Preyseizer Dragon.

Kicker--Sacrifice a creature. (You may sacrifice a creature in addition to any other costs as you cast this spell.)

Search your library for a basic land card, put that card onto the battlefield, then shuffle. If this spell was kicked, instead search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

If one or more tokens would be created, twice that many of those tokens are created instead.

If one or more +1/+1 counters would be put on a creature, twice that many +1/+1 counters are put on that creature instead.

At the beginning of your upkeep, put a spore counter on Psychotrope Thallid.

Remove three spore counters from Psychotrope Thallid: Create a 1/1 green Saproling creature token.

{1}, Sacrifice a Saproling: Draw a card.

Indestructible

As long as your devotion to red is less than five, Purphoros isn't a creature.

Whenever another creature enters the battlefield under your control, Purphoros deals 2 damage to each opponent.

{2}{R}: Creatures you control get +1/+0 until end of turn.

As an additional cost to cast this spell, sacrifice an artifact or creature.

You gain life equal to the sacrificed permanent's mana value. Draw two cards.

Whenever another creature you control dies, put a +1/+1 counter on Rot Shambler.

You may cast Saproling Symbiosis as though it had flash if you pay {2} more to cast it. (You may cast it any time you could cast an instant.)

Create a 1/1 green Saproling creature token for each creature you control.

At the beginning of your upkeep, put a spore counter on Savage Thallid.

Remove three spore counters from Savage Thallid: Create a 1/1 green Saproling creature token.

Sacrifice a Saproling: Regenerate target Fungus.

Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with that many +1/+1 counters on it.)

When Skullmulcher enters the battlefield, draw a card for each creature it devoured.

Whenever a Saproling you control dies, Slimefoot, the Stowaway deals 1 damage to each opponent and you gain 1 life.

{4}: Create a 1/1 green Saproling creature token.

Flash

Hexproof

When Slippery Bogbonder enters the battlefield, put a hexproof counter on target creature. Then move any number of counters from among creatures you control onto that creature.

At the beginning of your upkeep, put a spore counter on each Fungus you control.

Remove three spore counters from Sporesower Thallid: Create a 1/1 green Saproling creature token.

At the beginning of your upkeep, put a spore counter on Sporoloth Ancient.

Creatures you control have "Remove two spore counters from this creature: Create a 1/1 green Saproling creature token."

{T}, Pay 1 life: Destroy target permanent you own.

{T}, Pay 2 life: Add one mana of any color.

{T}, Pay 3 life: Proliferate.

{T}, Pay 4 life: Draw a card.

{5}: Untap Staff of Compleation.

Equipped creature gets +2/+2 and has protection from white and from blue.

Whenever equipped creature deals combat damage to a player, put a +1/+1 counter on a creature you control, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Equip {2}

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.)

As an additional cost to cast this spell, sacrifice a creature.

Create X 1/1 black and green Pest creature tokens with "When this creature dies, you gain 1 life," where X is the sacrificed creature's power.

At the beginning of your upkeep, put a spore counter on Thallid.

Remove three spore counters from Thallid: Create a 1/1 green Saproling creature token.

At the beginning of your upkeep, put a spore counter on Thallid Devourer.

Remove three spore counters from Thallid Devourer: Create a 1/1 green Saproling creature token.

Sacrifice a Saproling: Thallid Devourer gets +1/+2 until end of turn.

At the beginning of your upkeep, put a spore counter on Thallid Germinator.

Remove three spore counters from Thallid Germinator: Create a 1/1 green Saproling creature token.

Sacrifice a Saproling: Target creature gets +1/+1 until end of turn.

Defender

At the beginning of your upkeep, put a spore counter on Thallid Shell-Dweller.

Remove three spore counters from Thallid Shell-Dweller: Create a 1/1 green Saproling creature token.

At the beginning of your upkeep, put a spore counter on Thorn Thallid.

Remove three spore counters from Thorn Thallid: It deals 1 damage to any target.

Devour X, where X is the number of creatures devoured this way (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with X +1/+1 counters on it for each of those creatures.)

Devour 3 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with three times that many +1/+1 counters on it.)

At the beginning of your upkeep, put a spore counter on Utopia Mycon.

Remove three spore counters from Utopia Mycon: Create a 1/1 green Saproling creature token.

Sacrifice a Saproling: Add one mana of any color.

At the beginning of your upkeep, put a spore counter on Vitaspore Thallid.

Remove three spore counters from Vitaspore Thallid: Create a 1/1 green Saproling creature token.

Sacrifice a Saproling: Target creature gains haste until end of turn.

Compleated ({B/P} can be paid with {B} or 2 life. If life was paid, this planeswalker enters with two fewer loyalty counters.)

0: You draw a card and you lose 1 life. Proliferate.

-2: Target creature becomes a Treasure artifact with "{T}, Sacrifice this artifact: Add one mana of any color" and loses all other card types and abilities.

-9: If target player has fewer than nine poison counters, they get a number of poison counters equal to the difference.

If one or more counters would be put on an artifact or creature you control, that many plus one of each of those kinds of counters are put on that permanent instead.

If you would get one or more counters, you get that many plus one of each of those kinds of counters instead.

Protection from Humans

Pay 1 life, Sacrifice another creature: Put a -1/-1 counter on up to one target creature and draw a card.

{B}{B}, Discard a card: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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

Ziatora's Proving Ground enters the battlefield tapped.

Cycling {3} ({3}, Discard this card: Draw a card.)