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

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

{3}, {T}: Double the amount of each type of unspent mana you have.

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

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

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

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

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

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

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

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

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

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.

{T}: Heartless Hidetsugu deals damage to each player equal to half that player's life total, rounded down.

This spell can't be countered. Flying, haste {R}: Inferno of the Star Mounts gets +1/+0 until end of turn. When its power becomes 20 this way, it deals 20 damage to any target.

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

Flying When this creature enters, you may discard your hand and draw cards equal to the damage dealt to target opponent this turn.

Flying You don't lose unspent red mana as steps and phases end. When this creature dies, you may pay any amount of {R}. When you do, it deals that much damage to any target.

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

If a red source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead.

{3}{R}{R}: Untap all creatures you control. After this main phase, there is an additional combat phase followed by an additional main phase. Activate only as a sorcery.

Nonbasic lands are Mountains.

At the beginning of your upkeep, put two descent counters on this enchantment. Then each player creates X Treasure tokens and this enchantment deals X damage to each player, where X is the number of descent counters on this enchantment.

As an additional cost to cast this spell, discard a card. Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

This spell costs {3} less to cast if you control a creature with power 4 or greater. Change the target of target spell or ability with a single target.

Multikicker {1} (You may pay an additional {1} any number of times as you cast this spell.) Choose any target, then choose another target for each time this spell was kicked. Comet Storm deals X damage to each of them.

Exile the top X cards of your library. Until the end of your next turn, you may play those cards.

Add {R}{R}{R}. Splice onto Arcane {1}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

This spell can't be copied. Copy any number of target instant and/or sorcery spells. You may choose new targets for the copies.

Electrodominance deals X damage to any target. You may cast a spell with mana value X or less from your hand without paying its mana cost.

Surge {X}{R} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.) Fall of the Titans deals X damage to each of up to two targets.

As an additional cost to cast this spell, you may exile any number of red cards from your hand. This spell costs {2} less to cast for each card exiled this way. Exile the top X cards of your library. You may play up to two of those cards until the end of your next turn.

Price of Progress deals damage to each player equal to twice the number of nonbasic lands that player controls.

Add {R}{R}{R}.

Copy target instant or sorcery spell. You may choose new targets for the copy.

Add {R}{R}{R}{R}{R}.

Destroy target artifact. Smash to Smithereens deals 3 damage to that artifact's controller.

When you next cast an instant or sorcery spell this turn, copy that spell X times. You may choose new targets for the copies.

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

Acidic Soil deals damage to each player equal to the number of lands they control.

Exile the top seven cards of your library. Until end of turn, you may cast spells from among them. If this spell was cast from your hand, add ten mana of any one color.

Target creature you control deals damage equal to its power to each other creature and each opponent.

Crackle with Power deals five times X damage to each of up to X targets.

Earthquake deals X damage to each creature without flying and each player.

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.)

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.

Flame Rift deals 4 damage to each player.

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

Exile the top three cards of your library. Until the end of your next turn, you may play those cards. Create three Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Damage can't be prevented this turn. If a source you control would deal damage this turn to an opponent or a permanent an opponent controls, it deals triple that damage instead. Flashback {4}{R}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Jaya's Immolating Inferno deals X damage to each of up to three targets.

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.

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

Exile target card that's an instant or sorcery from your graveyard. For each card exiled this way, copy it, and you may cast the copy without paying its mana cost. Exile Mizzix's Mastery. Overload {5}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Secret council — Each player secretly votes for another player, then those votes are revealed. For each vote an opponent received, Mob Verdict deals 2 damage to that player and each creature that player controls. For each vote you received, draw a card.

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.)

Each opponent secretly chooses silence or snitch, then the choices are revealed. If each opponent chose silence, Prisoner's Dilemma deals 4 damage to each of them. If each opponent chose snitch, Prisoner's Dilemma deals 8 damage to each of them. Otherwise, Prisoner's Dilemma deals 12 damage to each opponent who chose silence. Flashback {5}{R}{R}

Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.

Choose one — • Slagstorm deals 3 damage to each creature. • Slagstorm deals 3 damage to each player.

Lightning Bolt deals 3 damage to any target.