Aggravate deals 1 damage to each creature target player controls. Each creature dealt damage this way attacks this turn if able.

Draw cards equal to the number of cards in your hand, then discard a card for each card drawn this way.

Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Apex Observatory enters tapped. As it enters, choose a card type shared among two exiled cards used to craft it.

: The next spell you cast this turn of the chosen type can be cast without paying its mana cost.

( can be paid with either or .)

Flying

When Avatar of Discord enters, sacrifice it unless you discard two cards.

This spell costs less to cast for each opponent you have.

Trample

When Avatar of Growth enters, each player searches their library for up to two basic land cards, puts them onto the battlefield, then shuffles.

This spell costs more to cast for each ten years you've been alive.

Avatar of Me's power is equal to your height in feet and its toughness is equal to your American shoe size. Round to the nearest ½.

Avatar of Me is the color of your eyes.

All creatures have double strike and attack each combat if able.

If an opponent has no cards in hand, this spell costs less to cast.

Flying

As an additional cost to cast this spell, you may sacrifice any number of creatures. This spell costs less to cast for each creature sacrificed this way.

Each opponent sacrifices a creature of their choice. Create a 3/6 black and red Avatar creature token with haste and "Whenever this creature attacks, it deals 3 damage to each opponent."

Return up to one target artifact or enchantment card from your graveyard to the battlefield. Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

: Gain control of target creature an opponent controls until end of turn. Untap that creature. It gains haste until end of turn. Activate only as a sorcery.

Return up to three target creatures to their owners' hands.

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

Tap five untapped Vampires you control: Gain control of target creature. It becomes a Vampire in addition to its other types.

When you unlock this door, search your library for a Room card that doesn't have the same name as a Room you control, reveal it, put it into your hand, then shuffle.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

Conservatory enters tapped.

: Add or .

, : Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

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.

Devoid (This card has no color.)

: Add . Spend this mana only to cast a colorless spell, activate an ability of a colorless permanent, or pay a cost that contains . ( represents colorless mana.)

: Add one mana of any color.

Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

: Add or .

Delirium — Deathcap Cultivator has deathtouch as long as there are four or more card types among cards in your graveyard.

Whenever you cast a historic spell, target player mills two cards. (Artifacts, legendaries, and Sagas are historic.)

When Elvish Vatkeeper enters, incubate 2. (Create an Incubator token with two +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

: Transform target Incubator token you control. Double the number of +1/+1 counters on it.

Whenever an artifact or Artificer you control enters, you may pay . If you do, you get (two energy counters).

Pay six , Sacrifice Era of Innovation: Draw three cards.

Defender

, : Mill a card. (Put the top card of your library into your graveyard.)

, Sacrifice a land: Draw a card. Any player may activate this ability.

Excavation Explosion deals 3 damage to any target. Create a tapped Powerstone token. (It's an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")

Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it. Players may choose new targets for their copies.)

Destroy target nonland permanent. Its controller creates two Treasure tokens.

Create three tapped Powerstone tokens. You gain 3 life. (The tokens are artifacts with ": Add . This mana can't be spent to cast a nonartifact spell.")

You may sacrifice a nontoken green creature rather than pay this spell's mana cost.

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.

Vigilance, trample, haste

Whenever Gishath, Sun's Avatar deals combat damage to a player, reveal that many cards from the top of your library. Put any number of Dinosaur creature cards from among them onto the battlefield and the rest on the bottom of your library in a random order.

: The next time a black or red source of your choice would deal damage to you this turn, prevent that damage.

: Put two ingenuity counters on Jhoira, Ageless Innovator, then you may put an artifact card with mana value X or less from your hand onto the battlefield, where X is the number of ingenuity counters on Jhoira.

Partner with Sylvia Brightspear (When this creature enters, target player may put Sylvia into their hand from their library, then shuffle.)

Flying, haste

Knights your team controls have flying and haste.

Whenever an opponent draws a card except the first one they draw in each of their draw steps, put a +1/+1 counter on Leela, Sevateem Warrior.

Doctor's companion (You can have two commanders if the other is the Doctor.)

At the beginning of your end step, mill a card. If a land card was milled this way, you gain 1 life. Otherwise, Lorehold Excavation deals 1 damage to each opponent. (To mill a card, put the top card of your library into your graveyard.)

, Exile a creature card from your graveyard: Create a tapped 3/2 red and white Spirit creature token.

Imprint — Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with Mimic Vat to its owner's graveyard.

, : Create a token that's a copy of a card exiled with Mimic Vat. It gains haste. Exile it at the beginning of the next end step.

Haste

, , Discard a card: Draw a card.

Whenever you discard one or more artifact cards, add . This ability triggers only once each turn.

Reach, trample

Multani, Yavimaya's Avatar gets +1/+1 for each land you control and each land card in your graveyard.

, Return two lands you control to their owner's hand: Return Multani from your graveyard to your hand.

Nick Valentine, Private Eye can't be blocked except by artifact creatures.

Whenever Nick Valentine or another artifact creature you control dies, you may investigate. (To investigate, create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

, , Sacrifice Oashra Cultivator: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

At the beginning of your upkeep, you get a poison counter.

Enchant creature

At the beginning of your upkeep, you may put a page counter on Private Research.

When enchanted creature dies, draw a card for each page counter on Private Research.

When Quandrix Cultivator enters, you may search your library for a basic Forest or Island card, put it onto the battlefield, then shuffle.

: Put an oil counter on Rustvine Cultivator.

, Remove an oil counter from Rustvine Cultivator: Untap target land.

Whenever an artifact you control enters, Salivating Gremlins gets +2/+0 and gains trample until end of turn.

Flash

Flying

Whenever Salvation Swan or another Bird you control enters, exile up to one target creature you control without flying. Return it to the battlefield under its owner's control with a flying counter on it at the beginning of the next end step.

Search your library for a basic land card and reveal it. If there's a tree in its art, put it onto the battlefield tapped. Otherwise, put it into your hand. Then shuffle.

Serra Avatar's power and toughness are each equal to your life total.

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

, , Sacrifice another artifact: Reveal the top eight cards of your library. Put up to two noncreature artifact cards with total mana value less than or equal to the sacrificed artifact's mana value from among them onto the battlefield and the rest on the bottom of your library in a random order.

Flash

When Soul Enervation enters, target creature gets -4/-4 until end of turn.

Whenever one or more creature cards leave your graveyard, each opponent loses 1 life and you gain 1 life.

You and permanents you control gain hexproof until end of turn. Prevent all damage that black and/or red sources would deal to creatures you control this turn.