Flying, lifelink

When Aetherborn Marauder enters the battlefield, move any number of +1/+1 counters from other permanents you control onto Aetherborn Marauder.

Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.

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.

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

Creatures you control have "{T}: Add one mana of any color."

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.

Whenever a creature you control dies, put X +1/+1 counters on target creature you control, where X is the power of the creature that died.

{T}: Exile target land card from a graveyard. Add one mana of any color.

{B}, {T}: Exile target instant or sorcery card from a graveyard. Each opponent loses 2 life.

{G}, {T}: Exile target creature card from a graveyard. You gain 2 life.

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.

When Duskshell Crawler enters the battlefield, put a +1/+1 counter on target creature.

Each creature you control with a +1/+1 counter on it has trample.

When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.

Whenever a creature dies, that creature's controller may draw a card.

Vigilance

At the beginning of your end step, you may return another creature you control to its owner's hand, then put a number of +1/+1 counters equal to that creature's power on First Responder.

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

As long as Grist, the Hunger Tide isn't on the battlefield, it's a 1/1 Insect creature in addition to its other types.

+1: Create a 1/1 black and green Insect creature token, then mill a card. If an Insect card was milled this way, put a loyalty counter on Grist and repeat this process.

-2: You may sacrifice a creature. When you do, destroy target creature or planeswalker.

-5: Each opponent loses life equal to the number of creature cards in your graveyard.

Sacrifice Krosan Wayfarer: You may put a land card from your hand onto the battlefield.

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

Draw cards equal to the sacrificed creature's power.

Mindless Automaton enters the battlefield with two +1/+1 counters on it.

{1}, Discard a card: Put a +1/+1 counter on Mindless Automaton.

Remove two +1/+1 counters from Mindless Automaton: Draw a card.

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

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

You draw cards equal to the sacrificed creature's power, then you gain life equal to its toughness.

Partner with Yannik, Scavenging Sentinel (When this creature enters the battlefield, target player may put Yannik into their hand from their library, then shuffle.)

Menace

Whenever another creature you control leaves the battlefield, if it had one or more counters on it, you draw a card and you lose 1 life.

Paradox Zone enters the battlefield with a growth counter on it.

At the beginning of your end step, double the number of growth counters on Paradox Zone. Then create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is the number of growth counters on Paradox Zone.

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.

{B}, Remove X +1/+1 counters from among creatures you control: Target creature gets -X/-X until end of turn.

Whenever a creature an opponent controls dies, 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, if you control ten or more Treasures, you win the game.

When Rishkar, Peema Renegade enters the battlefield, put a +1/+1 counter on each of up to two target creatures.

Each creature you control with a counter on it has "{T}: Add {G}."

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

Rite of Consumption deals damage equal to the sacrificed creature's power to target player or planeswalker. You gain life equal to the damage dealt this way.

Whenever you sacrifice a black creature, you may pay 2 life. If you do, each other player sacrifices a creature.

Whenever you sacrifice a green creature, you may gain 2 life.

Whenever another creature enters the battlefield, its controller may draw a card if its power is greater than each other creature's power.

{G}, {T}: Add X mana in any combination of colors, where X is the greatest power among creatures you control.

Imprint -- When Semblance Anvil enters the battlefield, you may exile a nonland card from your hand.

Spells you cast that share a card type with the exiled card cost {2} less to cast.

Servant of the Scale enters the battlefield with a +1/+1 counter on it.

When Servant of the Scale dies, put X +1/+1 counters on target creature you control, where X is the number of +1/+1 counters on Servant of the Scale.

Haste

Whenever Skullbriar, the Walking Grave deals combat damage to a player, put a +1/+1 counter on it.

Counters remain on Skullbriar as it moves to any zone other than a player's hand or library.

{1}{B}, Sacrifice another creature: Put a +1/+1 counter on Skyclave Shadowcat.

Whenever a creature you control with a +1/+1 counter on it dies, draw a card.

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.

Spike Cannibal enters the battlefield with a +1/+1 counter on it.

When Spike Cannibal enters the battlefield, move all +1/+1 counters from all creatures onto it.

This spell costs {X} less to cast, where X is the greatest power among creatures you control.

{T}: Add {G}{G}. You gain 2 life.

Whenever a nontoken creature enters the battlefield under your control, put a +1/+1 counter on it and draw a card.

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.

Choose two target creature cards in your graveyard. Sacrifice a creature. If you do, return the chosen cards to the battlefield tapped.

Trample

If damage would be dealt to another creature you control, prevent that damage. Put a +1/+1 counter on that creature for each 1 damage prevented this way.

When Vigor is put into a graveyard from anywhere, shuffle it into its owner's library.

Walking Ballista enters the battlefield with X +1/+1 counters on it.

{4}: Put a +1/+1 counter on Walking Ballista.

Remove a +1/+1 counter from Walking Ballista: It deals 1 damage to any target.