When Brinelin enters and whenever you cast a spell with mana value 6 or greater, you may return target nonland permanent to its owner's hand. Partner (You can have two commanders if both have partner.)

When this creature dies, put target creature card from your graveyard on top of your library. Dredge 4 (If you would draw a card, you may mill four cards instead. If you do, return this card from your graveyard to your hand.)

Vigilance When you cast or cycle Drownyard Lurker, create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this token: Add {C}." Cycling {2}{U} ({2}{U}, Discard this card: Draw a card.)

At the beginning of your upkeep, create a token that's a copy of another target nonland permanent you control.

Prototype {2}{U}{U} — 3/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) You may have this creature enter as a copy of an artifact or creature you control, except it's an artifact creature in addition to its other types, and its power and toughness are equal to this creature's power and toughness.

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

Swampcycling {2} ({2}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.) Backup 2 (When this creature enters, put two +1/+1 counters on target creature. If that's another creature, it gains the following ability until end of turn.) Menace

{T}: Add one mana of any color in your commander's color identity.

This artifact enters tapped. As this artifact enters, choose a color. {T}: Add one mana of the chosen color.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

You have no maximum hand size. {T}: Add one mana of any color.

{1}, {T}: Add {U}{B}.

{T}: Add three mana of any one color.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

When this creature enters, search your library for a basic land card or Cave card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}{C}.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

Flash (You may cast this spell any time you could cast an instant.) Flying Spells you cast with mana value 5 or greater cost {1} less to cast and can't be countered.

Flying Whenever this creature enters or attacks, target opponent sacrifices a creature or planeswalker of their choice, discards a card, and loses 3 life. You draw a card and gain 3 life.

Target player draws two cards. Flashback—{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Reach Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.) As long as Doom Weaver is paired with another creature, each of those creatures has "When this creature dies, draw cards equal to its power."

Draw two cards, then discard two cards. Untap up to three lands.

Devoid (This card has no color.) Whenever you cast a creature spell with mana value 4, 5, or 6, create two 0/1 colorless Eldrazi Spawn creature tokens with "Sacrifice this token: Add {C}." Whenever you cast a creature spell with mana value 7 or greater, draw three cards.

Draw three cards. Basic landcycling {1}{U} ({1}{U}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.) Whenever an opponent casts a noncreature spell with mana value less than this creature's power, draw a card.

Magecraft — Whenever you cast or copy an instant or sorcery spell, each opponent loses 2 life and you gain 2 life. +1: You lose 1 life. Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard. −3: Each opponent sacrifices a creature with the greatest power among creatures that player controls. −8: Each opponent may discard a card. If they don't, they lose 3 life. Repeat this process six more times.

Whenever you activate a ninjutsu ability, look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. This ability triggers only once each turn. Each creature card in your hand has ninjutsu {2}{U}{B}.

At the beginning of each player's upkeep, that player loses 2 life and draws two cards.

You draw X cards and you lose X life, where X is the mana value of a commander you own on the battlefield or in the command zone.

Draw a card. Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Devoid (This card has no color.) Draw three cards and create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this token: Add {C}."

Put target artifact or creature card from a graveyard onto the battlefield under your control. Shuffle Beacon of Unrest into its owner's library.

Gift a card (You may promise an opponent a gift as you cast this spell. If you do, they draw a card before its other effects.) Return target creature card from your graveyard to the battlefield. Then if the gift was promised and that creature isn't legendary, create a token that's a copy of that creature, except it's 1/1.

Each player puts a creature card from their graveyard onto the battlefield.

{1}, {T}: Add {U}{B}.

This land enters tapped unless you control an Island or a Swamp. {T}: Add {U} or {B}.

{T}: Add {U}. {T}: Add {B}. Activate only if you control an Island or a Swamp.

({T}: Add {U}.)

This land enters tapped unless you control two or more other lands. {T}: Add {U} or {B}.

({T}: Add {U} or {B}.) This land enters tapped unless you control two or more basic lands.

{T}: Add {C}. {U/B}, {T}: Add {U}{U}, {U}{B}, or {B}{B}.

({T}: Add {B}.)

({T}: Add {U} or {B}.) This land enters tapped. When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

You may pay {1}{B} rather than pay this spell's mana cost. If the {1}{B} cost was paid, an opponent draws a card. Exile target creature or planeswalker.

Return target creature to its owner's hand. If it was tapped, create a Map token. (It's an artifact with "{1}, {T}, Sacrifice this token: Target creature you control explores. Activate only as a sorcery.")

Freerunning {1}{B} (You may cast this spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.) Destroy target creature. If another creature died this turn, draw a card.

Choose a creature type. Creatures that aren't of the chosen type get -3/-3 until end of turn.

Flash Flying When this creature enters, surveil 4. When you do, you may return target nonland permanent an opponent controls to its owner's hand. (To surveil 4, look at the top four cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Destroy target nonartifact creature.

When this creature enters, creatures your opponents control get -2/-2 until end of turn. Whenever a creature an opponent controls dies, that player loses 2 life.

Ward {3} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.) Channel — {2}{U}, Discard this card: Counter target spell or ability unless its controller pays {3}.

Flash When this enchantment enters, target creature an opponent controls gets -3/-3 until end of turn. Creatures your opponents control can be the targets of spells and abilities as though they didn't have hexproof. Ward abilities of those creatures don't trigger.

Choose two target creatures controlled by different players. Return those creatures to their owners' hands.

If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost. Destroy target nonblack creature. It can't be regenerated.

Enchant creature When this Aura enters, target player sacrifices a creature of their choice other than enchanted creature. When enchanted creature is dealt damage, destroy it.

Emerge {5}{C}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When you cast this spell, tap up to two target permanents. Put a stun counter on each of them. (If a permanent with a stun counter would become untapped, remove one from it instead.) Flying

Return target creature to its owner's hand.