Whenever you cast an instant or sorcery spell from your hand, you may cast up to one target card of the other type from your graveyard. If a spell cast from your graveyard this way would be put into your graveyard, exile it instead. Choose a Background (You can have a Background as a second commander.)

Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it.) Mill five cards, then return a creature card from your graveyard to the battlefield.

Sacrifice any number of artifacts, enchantments, and/or tokens. Return that many creature cards from your graveyard to the battlefield.

Each player exiles all creature cards from their graveyard, then sacrifices all creatures they control, then puts all cards they exiled this way onto the battlefield.

Each player chooses a creature type. Each player returns all creature cards of a type chosen this way from their graveyard to the battlefield.

Put all creature cards from all graveyards onto the battlefield under your control.

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

This artifact enters tapped. {T}: Add {B}.

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

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

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.) This artifact enters with a charge counter on it for each time it was kicked. {T}: Add {C} for each charge counter on this artifact.

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}: Add {C}. {T}: Target nonland permanent becomes an artifact in addition to its other types until end of turn.

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

{T}: Add one mana of any color. Tap an untapped legendary creature you control: Add one mana of any color.

This artifact enters tapped. {T}: Add {U}.

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

{T}: Add {C}. {T}: Add {U} or {B}. This artifact deals 1 damage to you.

You have no maximum hand size. {T}: Add {C}.

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

When this creature enters, sacrifice another creature. You gain X life and draw X cards, where X is that creature's power.

Whenever you cast a creature spell, create X 1/1 black Thrull creature tokens, where X is that spell's mana value. When you control seven or more Thrulls, sacrifice Endrek Sahr.

When this creature dies, draw a card.

When Inga Rune-Eyes enters, scry 3. When Inga Rune-Eyes dies, draw three cards if three or more creatures died this turn.

When this creature enters or dies, choose one — • Draw a card, then discard a card. • Shuffle up to four target cards with mana value 3 or greater from your graveyard into your library.

Whenever another creature you control dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Menace Ward—Pay 3 life. (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays 3 life.) Magecraft — Whenever you cast or copy an instant or sorcery spell, create a 1/1 black and green Pest creature token with "When this token dies, you gain 1 life."

Whenever another creature dies, or a creature card is put into a graveyard from anywhere other than the battlefield, or a creature card leaves your graveyard, Syr Konrad deals 1 damage to each opponent. {1}{B}: Each player mills a card. (They each put the top card of their library into their graveyard.)

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

Pay 1 life, Sacrifice another creature: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.) Instant and sorcery spells you cast cost {1} less to cast. You may cast sorcery spells as though they had flash.

Whenever this creature or another Human creature you control dies, create a tapped 2/2 black Zombie creature token.

When this creature dies, draw two cards.

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards. Flashback {4}{B} (You may cast this card from your graveyard for its flashback cost and any additional costs. Then exile it.)

As an additional cost to cast this spell, you may sacrifice one or more creatures. When you do, copy this spell for each creature sacrificed this way. You draw a card and you lose 1 life.

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

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

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

({T}: Add {U}.)

This land enters tapped unless you have two or more opponents. {T}: Add {U} or {B}.

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 {B}.)

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}. {T}: Add {U} or {B}. This land deals 1 damage to you.