Descend 4 — As long as there are four or more permanent cards in your graveyard, Akawalli, the Seething Tower gets +2/+2 and has trample.

Descend 8 — As long as there are eight or more permanent cards in your graveyard, Akawalli gets an additional +2/+2 and can't be blocked by more than one creature.

When Apex Altisaur enters, it fights up to one target creature you don't control.

Enrage — Whenever Apex Altisaur is dealt damage, it fights up to one target creature you don't control.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I — Target creature you control fights up to one target creature you don't control.

II — Add . Put two +1/+1 counters on up to one target creature you control.

III — You gain life equal to the greatest power among creatures you control.

Flying

Cycling (, Discard this card: Draw a card.)

When you cycle Avian Oddity, put a flying counter on target creature you control.

Oozes you control get +1/+1.

At the beginning of your upkeep, if you control a commander, create a token that's a copy of Biowaste Blob.

Haste

//PRT-Prototype_Mech//

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

3/2

: Add .

, , Discard a card: Return Bramble Familiar to its owner's hand.

If a Giant source you control would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Flying

When this creature enters or dies, mill two cards. (Put the top two cards of your library into your graveyard.)

Vigilance, reach

Whenever a Dinosaur you control deals combat damage to a player, draw a card.

Target creature gets +3/+3 until end of turn. All creatures able to block it this turn do so.

Dr. Julius Jumblemorph is every creature type (even if this card isn't on the battlefield).

Whenever a host you control enters, you may search your library and/or graveyard for a card with augment and combine it with that host. If you search your library this way, shuffle.

: Add for each Crossbreed Labs watermark among permanents you control.

You may look at the top card of your library any time.

You may play lands and cast spells from the top of your library.

You can't play lands or cast spells from your hand.

: Destroy Experimental Frenzy.

Fin-Clade Fugitives can't be blocked by creatures with power 2 or less.

Encore (, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Enchant creature

Enchanted creature gets +2/+1 and has menace. (It can't be blocked except by two or more creatures.)

Flying

: Untap Glimmerbell.

Gnottvold Slumbermound enters tapped.

: Add .

, , Sacrifice Gnottvold Slumbermound: Destroy target land. Create a 4/4 green Troll Warrior creature token with trample.

Whenever a Frog you control attacks, mill three cards.

Whenever a permanent card is put into your graveyard from your library, exile it with a croak counter on it.

You may play lands and cast spells from among cards you own in exile with croak counters on them.

Spectacle (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.)

: Hackrobat gains deathtouch until end of turn.

: Hackrobat gets +2/-2 until end of turn.

Enchant land you control

Enchanted land is a 4/5 green Spirit creature with vigilance and haste. It's still a land.

If enchanted land would be destroyed, instead sacrifice Harmonious Emergence and that land gains indestructible until end of turn.

You may choose not to untap Hedge Whisperer during your untap step.

, , Collect evidence 4: Target land you control becomes a 5/5 green Plant Boar creature with haste for as long as Hedge Whisperer remains tapped. It's still a land. Activate only as a sorcery. (To collect evidence 4, exile cards with total mana value 4 or greater from your graveyard.)

All creatures lose indestructible until end of turn. Hour of Devastation deals 5 damage to each creature and each non-Bolas planeswalker.

Parley — Whenever Innocuous Researcher attacks, each player reveals the top card of their library. For each nonland card revealed this way, you investigate. Then each player draws a card.

At the beginning of your end step, you may untap all lands you control. If you do, you can't cast spells until your next turn.

Landfall — Whenever a land you control enters, you gain 1 life.

Flying

Creatures your opponents control enter tapped.

The owner of target attacking creature you don't control puts it on their choice of the top or bottom of their library.

Enchant creature

Enchanted creature gets +4/+4.

When Mantle of the Wolf is put into a graveyard from the battlefield, create two 2/2 green Wolf creature tokens.

When Moldgraf Millipede enters, mill three cards, then put a +1/+1 counter on Moldgraf Millipede for each creature card in your graveyard. (To mill three cards, put the top three cards of your library into your graveyard.)

Deathtouch

This spell costs less to cast if you have eight or more instant and/or sorcery cards in your graveyard.

Ward

Magecraft — Whenever you cast or copy an instant or sorcery spell, target creature has base power and toughness 8/8 until end of turn.

As an additional cost to cast this spell, gobble X. (Each time you gobble, take a bite of food or sacrifice a Food token.)

X target creatures you control each get +2/+2 and gain trample until end of turn.

Each creature spell you cast costs less to cast if it has mutate.

Whenever you cast a creature spell, if it has mutate, draw a card, then discard a card.

Creature tokens you control lose all abilities and have base power and toughness 3/3.

At the beginning of your upkeep, you may transform Poppet Factory.

First strike

Whenever you cycle a card, Prickly Marmoset gets +2/+0 until end of turn.

Flying

: Adapt 4. This ability costs less to activate for each instant and sorcery card in your graveyard. (If this creature has no +1/+1 counters on it, put four +1/+1 counters on it.)

Whenever Ragavan, Nimble Pilferer deals combat damage to a player, create a Treasure token and exile the top card of that player's library. Until end of turn, you may cast that card.

Dash (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

Enrage — Whenever Ranging Raptors is dealt damage, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Put target permanent you own on the bottom of your library. Reveal cards from the top of your library until you reveal a card that shares a card type with that permanent. Put that card onto the battlefield and the rest on the bottom of your library in a random order.

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

First strike

Raid — Rigging Runner enters with a +1/+1 counter on it if you attacked this turn.

Alliance — Whenever another creature you control enters, scry 1. If this is the second time this ability has resolved this turn, draw a card instead.

, Sacrifice an artifact with mana value X: Return target artifact card with mana value less than X from your graveyard to the battlefield. It gains haste until end of turn.

Whenever a Merfolk you control deals combat damage to a player, draw a card.

Flying, vigilance

Eminence — Whenever you attack with one or more Knights, if Sidar Jabari of Zhalfir is in the command zone or on the battlefield, draw a card, then discard a card.

Flying, first strike

Whenever Sidar Jabari deals combat damage to a player, return target Knight creature card from your graveyard to the battlefield.

, 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.

When Split Screen enters, shuffle your library and deal it into four libraries. If anything refers to your library, choose one of your libraries for it.

Play with your libraries' top cards revealed.

When Split Screen leaves the battlefield, shuffle your libraries together.

Fathomless descent — Return to the battlefield target nonland permanent card in your graveyard with mana value less than or equal to the number of permanent cards in your graveyard.