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

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {R}.)

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

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

{T}: Add {C}. {2}{R}, {T}: Shivan Gorge deals 1 damage to each opponent.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {R}.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {U} or {R}.

{T}: Add {C}{C}. Activate only if you control five or more lands.

This land enters tapped. As it enters, choose a color other than red. {T}: Add {R} or one mana of the chosen color.

Search your library for a card, put that card into your hand, discard a card at random, then shuffle.

Defender Whenever you cast an instant or sorcery spell, this creature deals 1 damage to each opponent.

Whenever you cast a noncreature spell, this creature deals 1 damage to each opponent.

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

Whenever another creature you control enters, this creature deals 1 damage to each opponent. Unearth {R} ({R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

{T}: This creature deals 1 damage to any target. Whenever you cast an instant or sorcery spell, you may untap this creature.

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Counter target spell.

Return each nonland permanent that's not historic to its owner's hand. (Artifacts, legendaries, and Sagas are historic.)

End the Festivities deals 1 damage to each opponent and each creature and planeswalker they control.

Counter target creature spell.

If you control a commander, you may cast this spell without paying its mana cost. Counter target noncreature spell.

Choose three. You may choose the same mode more than once. • Fiery Confluence deals 1 damage to each creature. • Fiery Confluence deals 2 damage to each opponent. • Destroy target artifact.

{R}: This creature gets +1/+0 until end of turn. Whenever this creature enters or attacks, it deals 3 damage divided as you choose among one, two, or three targets.

Choose target spell, then flip a coin. If you win the flip, gain control of that spell and you may choose new targets for it. If you lose the flip, counter that spell.

This spell costs {2} less to cast if it targets a creature spell. Counter target spell.

Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)

Counter target spell. Draw a card, then discard a card.

Enchant creature Whenever enchanted creature deals damage to a player, return target creature that player controls to its owner's hand.

Tectonic Hazard deals 1 damage to each opponent and each creature they control.

Choose one — • Destroy target artifact. • Change the target of target spell or ability with a single target. • One or two target creatures can't block this turn.

You may sacrifice a nontoken red creature rather than pay this spell's mana cost. Copy target instant or sorcery spell. You may choose new targets for the copy.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Draw two cards. Then discard a card unless you attacked this turn.

Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Draw a card.

Enchant creature Whenever enchanted creature deals damage to an opponent, you may draw a card.

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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

Flash (You may cast this spell any time you could cast an instant.) Whenever this creature is dealt damage, draw that many cards.

{U}, {T}: Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

Draw a card for each different mana value among nonland permanents you control.

This spell can't be countered. Flying Whenever you draw a card, Niv-Mizzet deals 1 damage to any target. Whenever a player casts an instant or sorcery spell, you draw a card.

Flying Whenever you draw a card, Niv-Mizzet deals 1 damage to any target. {T}: Draw a card.

Flying You have no maximum hand size. Whenever a source you control deals noncombat damage to an opponent, you draw that many cards.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Draw three cards.

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

At the beginning of your upkeep, if you control an artifact, create a 1/1 colorless Thopter artifact creature token with flying. Whenever one or more artifact creatures you control deal combat damage to a player, draw a card.

As an additional cost to cast this spell, discard a card. Draw two cards.

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

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

Imprint — When this artifact enters, you may exile a nonartifact, nonland card from your hand. {T}: Add one mana of any of the exiled card's colors.

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

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

Red spells you cast cost {1} less to cast.

{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.

Morbid — At the beginning of each end step, if a creature died this turn, put a soul counter on this artifact. {T}: Add X mana of any one color, where X is the number of soul counters on this artifact. Spend this mana only to cast instant, sorcery, Demon, and Spirit spells.

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

Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying.

Whenever you cast a spell with mana value 4 or greater, create a 1/1 colorless Thopter artifact creature token with flying.

Create two 1/1 blue Faerie creature tokens with flying. When you do, tap target creature an opponent controls.

Haste Lieutenant — At the beginning of combat on your turn, if you control your commander, create a 1/1 colorless Thopter artifact creature token with flying. That token gains haste until end of turn.