Flying Whenever an opponent draws a card, you may draw two cards.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Look at the top seven cards of your library. Put two of them into your hand and the rest on the bottom of your library in any order.

{U}, {T}: Draw two cards. {R}, {T}, Discard a card: This creature deals damage to target creature equal to the discarded card's mana value.

{X}{U}{R}, {T}: Nin deals X damage to target creature. That creature's controller draws X cards.

Flying Whenever Niv-Mizzet deals damage to a player, you may draw a card. {U}{R}: Niv-Mizzet deals 1 damage to any target.

Rielle gets +1/+0 for each instant and sorcery card in your graveyard. Whenever you discard one or more cards for the first time each turn, draw that many cards.

Discard all the cards in your hand, then draw that many cards. Flashback {5}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

You may tap or untap target artifact, creature, or land. Draw a card.

Target player shuffles their graveyard into their library. Draw a card.

Return target instant or sorcery card from your graveyard to your hand. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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

{T}: Add {C}. {1}, {T}, Sacrifice this land: You may cast spells this turn as though they had flash.

This land enters tapped. {T}: Add {R}. Cycling {R} ({R}, Discard this card: Draw a card.)

This land enters tapped. When this land enters, look at the top three cards of your library, then put them back in any order. {T}: Add {U}.

This land enters tapped. {T}: Add {U} or {R}.

({T}: Add {U}.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{R}.

This land enters tapped. {T}: Add {U} or {R}.

This land enters tapped. {T}: Add {U}. Cycling {U} ({U}, Discard this card: Draw a card.)

This land enters tapped. {T}: Add {U}. {4}{U}, {T}, Sacrifice this land: Draw two cards.

({T}: Add {R}.)

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

This land enters tapped. Indestructible {T}: Add {U} or {R}.

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}.

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

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

This land enters tapped with two charge counters on it. {T}: Add {R}. {T}, Remove a charge counter from this land: Add one mana of any color.

You may tap or untap target permanent, then you may tap or untap another target permanent. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Gain control of target artifact or creature until end of turn. Untap it. It gains haste until end of turn.

Return target instant or sorcery card from your graveyard to your hand. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Destroy target artifact or land. It can't be regenerated.

Discard all the cards in your hand, then draw that many cards. Flashback {5}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Tap all creatures target player controls. Those creatures don't untap during that player's next untap step.

Return all permanents to their owners' hands.

Return all creatures to their owners' hands except for Krakens, Leviathans, Octopuses, and Serpents.

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

{T}: Add {U} or {R}. {U}{R}, {T}, Sacrifice this artifact: Draw a card.

{T}: Add {U} or {R}. {U}{R}: Until end of turn, this artifact becomes a 2/1 blue and red Elemental artifact creature. Whenever this artifact deals combat damage to a player, you may draw a card. If you do, discard a card.

{T}: Add {U} or {R}. {U/R}{U/R}{U/R}{U/R}, {T}, Sacrifice this artifact: Draw two cards.

{T}: Add one mana of any color. {2}, {T}, Sacrifice this artifact: Draw a card.

You have no maximum hand size. If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.

When this artifact enters, scry 1. {T}: Add one mana of any color.

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

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

Flying, haste Whenever you cast a noncreature spell, put a +1/+1 counter on this creature.

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

You have no maximum hand size. If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.

This spell can't be countered. You have no maximum hand size. Whenever an opponent casts a noncreature spell, draw a card. Discard three cards: Exile Nezahal. Return it to the battlefield tapped under its owner's control at the beginning of the next end step.

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

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

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

{T}: Add {U} or {R}. {U}{R}, {T}, Sacrifice this artifact: Draw a card.

{T}: Add {U} or {R}. {U}{R}: Until end of turn, this artifact becomes a 2/1 blue and red Elemental artifact creature. Whenever this artifact deals combat damage to a player, you may draw a card. If you do, discard a card.

{T}: Add {U} or {R}. {U/R}{U/R}{U/R}{U/R}, {T}, Sacrifice this artifact: Draw two cards.

{T}: Add one mana of any color. {2}, {T}, Sacrifice this artifact: Draw a card.

When this artifact enters, scry 1. {T}: Add one mana of any color.

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

Copy target instant or sorcery spell you control. If this spell was cast from a graveyard, copy that spell twice instead. You may choose new targets for the copies. Flashback {3}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Return all permanents to their owners' hands.

Counter target spell.

This spell can't be countered. Counter target spell you don't control. Overload {1}{U}{U}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Counter target spell.

You may tap or untap target permanent, then you may tap or untap another target permanent. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Counter target activated ability from an artifact, creature, enchantment, or land. That permanent's activated abilities can't be activated this turn. (Mana abilities can't be targeted.) Draw a card.

You may choose new targets for target spell.

Counter target spell. Untap up to four lands.

Tap all creatures target player controls. Those creatures don't untap during that player's next untap step.

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

Flash (You may cast this spell any time you could cast an instant.) Enchant creature Whenever enchanted creature deals damage to an opponent, you may draw a card.

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

Flash (You may cast this spell any time you could cast an instant.) Enchant creature Whenever enchanted creature deals damage to an opponent, you may draw a card.

Instant and sorcery spells you cast cost {1} less to cast.

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

Fated Conflagration deals 5 damage to target creature or planeswalker. If it's your turn, scry 2.

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

Whenever you cast an instant or sorcery spell, this creature deals 2 damage to each opponent.

Defender {T}: This creature deals 1 damage to each opponent. Whenever you cast an instant or sorcery spell, untap this creature.