This spell costs {1} more to cast for each target beyond the first. Fireball deals X damage divided evenly, rounded down, among any number of targets.

Nevinyrral's Disk enters the battlefield tapped. {1}, {T}: Destroy all artifacts, creatures, and enchantments.

Players have no maximum hand size. At the beginning of each player's draw step, that player draws an additional card, then discards a card.

{2}, Pay 2 life: Draw a card.

Whenever a player plays a land, that player draws a card.

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

{2}, {T}: Exile the top card of your library face down. {0}: Sacrifice Knowledge Vault. If you do, discard your hand, then put all cards exiled with Knowledge Vault into their owner's hand. When Knowledge Vault leaves the battlefield, put all cards exiled with Knowledge Vault into their owner's graveyard.

{T}, Sacrifice Memory Jar: Each player exiles all cards from their hand face down and draws seven cards. At the beginning of the next end step, each player discards their hand and returns to their hand each card they exiled this way.

{1}, {T}: Exile any number of cards from your hand face down. Put that many cards from the top of your library into your hand. Then look at the exiled cards and put them on top of your library in any order.

Echo {6} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) {T}: Draw a card.

Nonbasic lands are Mountains.

No more than two creatures can attack each combat. No more than two creatures can block each combat.

Creatures with power greater than the number of cards in your hand can't attack.

{3}, {T}: Counter target instant or Aura spell that targets a permanent you control.

Players can't untap more than one creature during their untap steps.

Fading 4 (This artifact enters the battlefield with four fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.) At the beginning of each player's upkeep, that player taps an untapped artifact, creature, or land they control for each fade counter on Tangle Wire.

{4}, Sacrifice Copper Gnomes: You may put an artifact card from your hand onto the battlefield.

Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

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

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

{T}: Add {C}. {T}, Sacrifice Crystal Vein: Add {C}{C}.

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

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

{T}: Add {C}. {1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land. {T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

{T}: Add {C}{C}{C}. Spend this mana only to cast artifact spells.

({T}: Add {R}.)

{T}: Add {C}. {1}, {T}: Tap target land.

{T}: Add {C}. {T}, Sacrifice Strip Mine: Destroy target land.

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

{T}: Add {C}. {2}, {T}: You may put a basic land card from your hand onto the battlefield tapped.

{T}: Add {C}. {T}, Sacrifice Wasteland: Destroy target nonbasic land.

Basalt Monolith doesn't untap during your untap step. {T}: Add {C}{C}{C}. {3}: Untap Basalt Monolith.

{X}, {T}: Untap X target lands.

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

Red creatures get +1/+1. Whenever a Mountain is tapped for mana, its controller adds an additional {R}.

Grim Monolith doesn't untap during your untap step. {T}: Add {C}{C}{C}. {4}: Untap Grim Monolith.

Spells cost {1} less to cast.

{1}, {T}: Put a charge counter on Jeweled Amulet. Note the type of mana spent to pay this activation cost. Activate only if there are no charge counters on Jeweled Amulet. {T}, Remove a charge counter from Jeweled Amulet: Add one mana of Jeweled Amulet's last noted type.

{T}, Sacrifice Lotus Petal: Add one mana of any color.

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you. {T}: Add {C}{C}.

Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.

{T}: Reveal any number of artifact cards in your hand. Add {C}{C} for each card revealed this way.

{T}: Add {C}. {1}, {T}, Sacrifice Mind Stone: Draw a card.

If Mox Diamond would enter the battlefield, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard. {T}: Add one mana of any color.

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

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

Legendary creatures don't untap during their controllers' untap steps. When Arena of the Ancients enters the battlefield, tap all legendary creatures.

Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose a new target for that copy.

{3}, {T}: Choose a card name, then reveal a card at random from your hand. If that card has the chosen name, Cursed Scroll deals 2 damage to any target.

When Flametongue Kavu enters the battlefield, it deals 4 damage to target creature.

{1}, {T}: Tap target artifact, creature, or land.

Lightning Bolt deals 3 damage to any target.

{T}: Orcish Artillery deals 2 damage to any target and 3 damage to you.

Choose one — • Counter target spell if it's blue. • Destroy target permanent if it's blue.

Choose one — • Counter target blue spell. • Destroy target blue permanent.

You may choose not to untap Tawnos's Coffin during your untap step. {3}, {T}: Exile target creature and all Auras attached to it. Note the number and kind of counters that were on that creature. When Tawnos's Coffin leaves the battlefield or becomes untapped, return that exiled card to the battlefield under its owner's control tapped with the noted number and kind of counters on it. If you do, return the other exiled cards to the battlefield under their owner's control attached to that permanent.

At the beginning of your upkeep, put a doom counter on Armageddon Clock. At the beginning of your draw step, Armageddon Clock deals damage equal to the number of doom counters on it to each player. {4}: Remove a doom counter from Armageddon Clock. Any player may activate this ability but only during any upkeep step.

Sacrifice an artifact: Atog gets +2/+2 until end of turn.

Balduvian Hydra enters the battlefield with X +1/+0 counters on it. Remove a +1/+0 counter from Balduvian Hydra: Prevent the next 1 damage that would be dealt to Balduvian Hydra this turn. {R}{R}{R}: Put a +1/+0 counter on Balduvian Hydra. Activate only during your upkeep.

Flying When you control no artifacts, sacrifice Covetous Dragon.

Copy target instant or sorcery spell, except that the copy is red. You may choose new targets for the copy.

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

{X}, {T}: Target opponent mills a card, then repeats this process until a creature card or X cards have been put into their graveyard this way, whichever comes first. If one or more creature cards were put into that graveyard this way, sacrifice Helm of Obedience and put one of them onto the battlefield under your control. X can't be 0.

Whenever Karn, Silver Golem blocks or becomes blocked, it gets -4/+4 until end of turn. {1}: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn.

At the beginning of your upkeep, sacrifice Masticore unless you discard a card. {2}: Masticore deals 1 damage to target creature. {2}: Regenerate Masticore.

As Riptide Replicator enters the battlefield, choose a color and a creature type. Riptide Replicator enters the battlefield with X charge counters on it. {4}, {T}: Create an X/X creature token of the chosen color and type, where X is the number of charge counters on Riptide Replicator.