Whenever you cast a spell, you gain 1 life for each spell you've cast this turn. Pay 50 life: Aetherflux Reservoir deals 50 damage to any target.

Each player may play an additional land on each of their turns. At the beginning of each player's upkeep, if that player has no cards in hand, that player draws three cards.

At the beginning of your upkeep, draw a card if you had no cards in hand at the beginning of this turn. If you had a card in hand, Mindstorm Crown deals 1 damage to you.

Whenever Conspiracy Theorist attacks, you may pay {1} and discard a card. If you do, draw a card. Whenever you discard one or more nonland cards, you may exile one of them from your graveyard. If you do, you may cast it this turn.

{1}, Exile an instant or sorcery card from your graveyard: Choose one — • Counter target noncreature spell unless its controller pays {2}. • Disciple of the Ring gets +1/+1 until end of turn. • Tap target creature. • Untap target creature.

Trample Whenever Dreadhorde Arcanist attacks, you may cast target instant or sorcery card with mana value less than or equal to Dreadhorde Arcanist's power from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.

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

Whenever you cast an instant or sorcery spell, flip a coin. If you lose the flip, return that spell to its owner's hand. If you win the flip, copy that spell, and you may choose new targets for the copy. Partner (You can have two commanders if both have partner.)

Lupine Prototype can't attack or block unless a player has no cards in hand.

Flying Whenever you cast a noncreature spell, create an X/X red Dragon Illusion creature token with flying and haste, where X is the amount of mana spent to cast that spell. Exile that token at the beginning of the next end step.

{R}{R}: Rakdos Pit Dragon gains flying until end of turn. {R}: Rakdos Pit Dragon gets +1/+0 until end of turn. Hellbent — Rakdos Pit Dragon has double strike as long as you have no cards in hand.

Whenever you cast a red spell, if Runaway Steam-Kin has fewer than three +1/+1 counters on it, put a +1/+1 counter on Runaway Steam-Kin. Remove three +1/+1 counters from Runaway Steam-Kin: Add {R}{R}{R}.

Storm-Kiln Artist gets +1/+0 for each artifact you control. Magecraft — Whenever you cast or copy an instant or sorcery spell, create a Treasure token.

Whenever you cast an instant or sorcery spell, create a 2/2 blue Drake creature token with flying.

When Aria of Flame enters the battlefield, each opponent gains 10 life. Whenever you cast an instant or sorcery spell, put a verse counter on Aria of Flame, then it deals damage equal to the number of verse counters on it to target player or planeswalker.

{2}: Draw a card if you have no cards in hand.

As Monastery Siege enters the battlefield, choose Khans or Dragons. • Khans — At the beginning of your draw step, draw an additional card, then discard a card. • Dragons — Spells your opponents cast that target you or a permanent you control cost {2} more to cast.

Whenever a player casts a spell from their hand, that player exiles it, then exiles cards from the top of their library until they exile a card that shares a card type with it. That player may cast that card without paying its mana cost. Then they put all cards exiled with Possibility Storm on the bottom of their library in a random order.

Draw three cards, then put two cards from your hand on top of your library in any order.

Choose one — • Cathartic Pyre deals 3 damage to target creature or planeswalker. • Discard up to two cards, then draw that many cards.

Chain of Plasma deals 3 damage to any target. Then that player or that permanent's controller may discard a card. If the player does, they may copy this spell and may choose a new target for that copy.

Discard your hand, then draw two cards.

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

Return target creature to its owner's hand. Ferocious — If you control a creature with power 4 or greater, you may draw a card. If you do, discard a card.

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

Choose one — • Counter target noncreature spell unless its controller pays {2}. • Izzet Charm deals 2 damage to target creature. • Draw two cards, then discard two cards.

Target creature gains shroud until end of turn. (It can't be the target of spells or abilities.) Cycling {U} ({U}, Discard this card: Draw a card.)

Counter target spell unless its controller pays {2}. Cycling {2} ({2}, Discard this card: Draw a card.)

Surveil 2, then choose an instant or sorcery card in your graveyard. You may cast it this turn. If that spell would be put into your graveyard, exile it instead. (To 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. Madness {U} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Choose two — • Prismari Command deals 2 damage to any target. • Target player draws two cards, then discards two cards. • Target player creates a Treasure token. • Destroy target artifact.

Draw a card. Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

Return target creature to its owner's hand. If you've discarded a card this turn, draw a card.

Choose one — • Counter target artifact spell. • Return target artifact to its owner's hand.

Choose one — • Counter target spell unless its controller pays {3}. • Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Choose one — • Break Their Chains — Destroy target artifact. • Interrogate Them — Exile the top three cards of target opponent's library. Choose one of them. Until the end of your next turn, you may play that card, and you may spend mana as though it were mana of any color to cast it.

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

{T}: Add {U}. Cephalid Coliseum deals 1 damage to you. Threshold — {U}, {T}, Sacrifice Cephalid Coliseum: Target player draws three cards, then discards three cards. Activate only if seven or more cards are in your graveyard.

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

{T}: Add {C}. {1}{U}{R}, {T}: Draw a card, then discard a card.

Forgotten Cave enters the battlefield tapped. {T}: Add {R}. Cycling {R} ({R}, Discard this card: Draw a card.)

{T}: Add {C}. {2}, {T}: Each player draws a card, then discards a card.

If Gemstone Caverns is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand. {T}: Add {C}. If Gemstone Caverns has a luck counter on it, instead add one mana of any color.

{T}: Add {R}.

({T}: Add {U}.)

Keldon Megaliths enters the battlefield tapped. {T}: Add {R}. Hellbent — {1}{R}, {T}: Keldon Megaliths deals 1 damage to any target. Activate only if you have no cards in hand.

Lonely Sandbar enters the battlefield tapped. {T}: Add {U}. Cycling {U} ({U}, Discard this card: Draw a card.)

({T}: Add {R}.)

{T}: Add {C}. {1}{U}, {T}: Return target Wizard you control to its owner's hand.

{T}: Add {C}. ({C} represents colorless mana.) {2}{C}, {T}: Draw a card. Activate only if you have no cards in hand.

{T}: Add {U}.

{T}: Add {C}. {T}: Add {U} or {R}. Shivan Reef deals 1 damage to you.

Silverbluff Bridge enters the battlefield tapped. Indestructible {T}: Add {U} or {R}.

Spirebluff Canal enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {U} or {R}.

Stormcarved Coast enters the battlefield tapped unless you control two or more other lands. {T}: Add {U} or {R}.

Sulfur Falls enters the battlefield tapped unless you control an Island or a Mountain. {T}: Add {U} or {R}.

Whenever you cast or copy an instant or sorcery spell, Ral, Storm Conduit deals 1 damage to target opponent or planeswalker. +2: Scry 1. −2: When you cast your next instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.

Until end of turn, whenever a player casts an instant or sorcery spell, that player copies it and may choose new targets for the copy.

Draw four cards, then choose X cards in your hand and discard the rest.

Each player draws three cards, then discards three cards at random.

Draw two cards, then discard two cards.

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

Draw four cards, then discard three cards at random.

Demonfire deals X damage to any target. If a creature dealt damage this way would die this turn, exile it instead. Hellbent — If you have no cards in hand, this spell can't be countered and the damage can't be prevented.

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.)

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.)

({U/P} can be paid with either {U} or 2 life.) Look at target player's hand. Draw a card.

Draw four cards, then discard three cards at random.

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.)

Buyback {2} (You may pay an additional {2} as you cast this spell. If you do, put this card into your hand as it resolves.) Creatures you control get +1/+0 until end of turn. Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Draw three cards. Discard three cards at the beginning of the next end step.

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Add {R} for each card in target opponent's hand. • Exile the top three cards of your library. You may play them this turn.

Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.