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.

Freerunning {1}{U} (You may cast this spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.) Draw three cards.

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Draw a card for each Island you control, then discard two cards.

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

Exile the top card of your library. During your next turn, you may play that card. Storm (When you cast this spell, copy it for each spell cast before it this turn.)

As an additional cost to cast this spell, discard a card. Draw two cards. If the discarded card wasn't a land card, Grab the Prize deals 2 damage to each opponent.

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

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.

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

This spell costs {1} less to cast if you've committed a crime this turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.) Draw two cards.

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

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

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

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

Add {R} for each tapped land your opponents control.

Flying Instant and sorcery 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.

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

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

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

As this land enters, you may reveal an Island or Mountain card from your hand. If you don't, this land enters tapped. {T}: Add {U} or {R}.

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

({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.

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

This land enters tapped unless you control an Island or a Mountain. {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}.

Each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

If a source you control would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Offspring {2} (You may pay an additional {2} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.) Whenever you cast a noncreature spell, this creature deals 1 damage to each opponent.

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

When this enchantment enters, the Ring tempts you. Whenever you cast an instant or sorcery spell, this enchantment deals 2 damage to each opponent.

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

Flame Rift deals 4 damage to each player.

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

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

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand. Whenever you draw a card, each opponent loses 1 life.

Choose one — • Abrade deals 3 damage to target creature. • Destroy target artifact.

Return all attacking creatures to their owner's hand.

Choose one — • Counter target spell. • Target player draws two cards. • Gain control of target nonland permanent with mana value 1 or less.

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle. Draw a card.

Flash (You may cast this spell any time you could cast an instant.) Enchant creature Enchanted creature loses all abilities and is a black Skeleton creature with base power and toughness 1/1. (It loses all other colors, card types, and creature types.)

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

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

Grapeshot deals 1 damage to any target. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

{R}, {T}, Exile two cards from your graveyard: This creature deals 2 damage to any target.

Enchant creature, land, or planeswalker Enchanted permanent is a colorless land with "{T}: Add {C}" and loses all other card types and abilities.

Counter target noncreature spell.

Mutate {2}{R} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) {T}: This creature deals X damage to any target, where X is the number of times this creature has mutated.

Counter target spell. Untap up to four lands.

Kicker {5} (You may pay an additional {5} as you cast this spell.) Roil Eruption deals 3 damage to any target. If this spell was kicked, it deals 5 damage instead.

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

End the turn. (Exile all spells and abilities, including this spell. The player whose turn it is discards down to their maximum hand size. Damage heals and "this turn" and "until end of turn" effects end.)

Unleash Shell deals 5 damage to target creature or planeswalker and 2 damage to that permanent's controller.

Haste (This creature can attack and {T} as soon as it comes under your control.) {T}, Sacrifice this creature: It deals 1 damage to any target.

Instant and sorcery spells you cast cost {1} less to cast. Whenever you cast an instant or sorcery spell, draw a card.

Flash (You may cast this spell any time you could cast an instant.) Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Flying Whenever you cast an instant or sorcery spell, creatures you control get +1/+0 and gain trample until end of turn.