Sacrifice a creature: Add {C}{C}.

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.)

Equipped creature gets +2/+2 and has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Whenever Grafted Exoskeleton becomes unattached from a permanent, sacrifice that permanent. Equip {2}

Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Flying Whenever Butcher of Malakir or another creature you control dies, each opponent sacrifices a creature.

{T}: Add {G} for each creature you control.

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.

Whenever you gain life, each opponent loses 1 life. {1}, Sacrifice another creature: Dina, Soul Steeper gets +X/+0 until end of turn, where X is the sacrificed creature's power.

{T}: Add {B}. Elves of Deep Shadow deals 1 damage to you.

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.)

Fertilid enters the battlefield with two +1/+1 counters on it. {1}{G}, Remove a +1/+1 counter from Fertilid: Target player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles.

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

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.

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.

Tap four untapped creatures you control: Destroy target artifact or enchantment.

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

Reach (This creature can block creatures with flying.) Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Whenever another creature dies, each opponent loses 1 life.

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.

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.

Devoid (This card has no color.) Flying At the beginning of your upkeep, sacrifice a creature. Whenever you sacrifice a creature, draw a card.

At the beginning of your upkeep, put a spore counter on Spore Flower. Remove three spore counters from Spore Flower: Prevent all combat damage that would be dealt this turn.

Each other creature you control that's a Fungus or Saproling gets +1/+1.

Landfall — Whenever a land enters the battlefield under your control, create a 1/1 green Saproling creature token.

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."

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 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.

All Saprolings get +1/+1. Morph {3}{G}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Thelonite Hermit is turned face up, create four 1/1 green Saproling creature tokens.

At the beginning of each upkeep, create a 1/1 green Saproling creature token.

Kicker {X} (You may pay an additional {X} as you cast this spell.) Saproling creatures and other Treefolk creatures get +1/+1. When Verdeloth the Ancient enters the battlefield, if it was kicked, create X 1/1 green Saproling creature tokens.

Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

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.

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.

Flash Whenever a creature you control dies, each opponent sacrifices a creature.

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.

{1}{G}, Exile a creature card from your graveyard: Create a 1/1 green Saproling creature token. Sacrifice two Saprolings: You gain 2 life and draw a card.

Whenever a nontoken creature you control dies, create a 1/1 green Saproling creature token.

Whenever a creature you control dies, each other player sacrifices a creature.

Enchant creature Whenever enchanted creature deals damage to an opponent, you may draw a card.

Whenever a creature you control dies, you gain 1 life and draw a card.

{1}, Exile two creature cards from a single graveyard: Create a 1/1 green Saproling creature token.

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

{1}, Sacrifice a creature: Search your library for a land card with a basic land type, put it onto the battlefield tapped, then shuffle.

Enchant creature Enchanted creature has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Green creatures you control get +1/+1. Whenever a green creature enters the battlefield under your control, scry 1.

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

This spell costs {2} less to cast if you gained life this turn. Destroy target nonland permanent.

Destroy target artifact or creature. It can't be regenerated.

Choose one — • Destroy target artifact. • Destroy target enchantment. • Exile target card from a graveyard.

For each token you control, create a token that's a copy of that permanent.

Create three 1/1 green Saproling creature tokens.

Target creature gets +1/+0 and gains infect until end of turn. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

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

({T}: Add {G}.)

Foul Orchard enters the battlefield tapped. {T}: Add {B} or {G}.

Golgari Guildgate enters the battlefield tapped. {T}: Add {B} or {G}.

Golgari Rot Farm enters the battlefield tapped. When Golgari Rot Farm enters the battlefield, return a land you control to its owner's hand. {T}: Add {B}{G}.

Jungle Hollow enters the battlefield tapped. When Jungle Hollow enters the battlefield, you gain 1 life. {T}: Add {B} or {G}.

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.)

({T}: Add {B}.)

As an additional cost to cast this spell, sacrifice a creature. Search your library for a card, put that card into your hand, then shuffle.

Return target creature card from your graveyard to the battlefield. Flashback—Sacrifice three creatures. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Creatures you control get +3/+3 and gain trample until end of turn.

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.

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