Arc Lightning deals 3 damage divided as you choose among one, two, or three targets.

If another red source you control would deal damage to a permanent or player, it deals that much damage plus 1 to that permanent or player instead. −2: Jaya deals 2 damage to any target.

Lightning Strike deals 3 damage to any target.

Sarkhan's Catharsis deals 5 damage to target player or planeswalker.

When you next cast an instant or sorcery spell with mana value 4 or less this turn, copy that spell. You may choose new targets for the copy. Foretell {R} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Flash (You may cast this spell any time you could cast an instant.) When this creature enters, target creature an opponent controls gets -1/-0 until end of turn.

{T}: Target creature attacks this turn if able. {T}: Target creature blocks this turn if able.

This spell costs {1} less to cast if you control a Giant or a Wizard. When this creature enters, search your library for an instant or sorcery card with the same name as a card in your graveyard, reveal it, put it into your hand, then shuffle.

Skulk (This creature can't be blocked by creatures with greater power.) This creature enters with X +1/+1 counters on it. At the beginning of your upkeep, if this creature has one or more +1/+1 counters on it, you may remove a +1/+1 counter from it. If you do, draw a card.

Defender Magecraft — Whenever you cast or copy an instant or sorcery spell, this creature can attack this turn as though it didn't have defender.

As an additional cost to cast this spell, reveal a Giant card from your hand or pay {2}. Whenever this creature attacks, you may cast an instant or sorcery spell from your hand without paying its mana cost.

Flying Whenever you cast an instant, sorcery, or Wizard spell, this creature gets +2/+0 until end of turn.

Whenever a creature or planeswalker an opponent controls is dealt excess damage, if a Giant, Wizard, or spell you controlled dealt damage to it this turn, draw a card.

Whenever you cast a noncreature spell, this creature gets +1/+0 until end of turn, then scry 1.

Flying When this creature enters, draw a card.

Tap target creature. It doesn't untap during its controller's next untap step. Draw a card.

Draw two cards.

Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. As long as you control a Giant, you may cast this card from your graveyard by paying {U} rather than paying its mana cost. If you cast this card this way and it would be put into your graveyard, exile it instead.

{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.

Draw a card. Clash with an opponent. If you win, return Research the Deep to its owner's hand. (Each clashing player reveals the top card of their library, then puts that card on their choice of the top or bottom. A player wins if their card had a greater mana value.)

Each other Wizard creature you control enters with an additional +1/+1 counter on it. {2}, Remove a +1/+1 counter from a creature you control: Draw a card.

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

Replicate {1}{U} (When you cast this spell, copy it for each time you paid its replicate cost.) Draw a card.

You have no maximum hand size. At the beginning of your upkeep, if you have exactly thirteen cards in your hand, you win the game. {3}{U}: Draw a card.

Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.

If you control two or more other lands, this land enters tapped. {T}: Add {U}. {5}{U}: Until end of turn, this land becomes a 7/7 blue Giant creature with ward {3}. It's still a land. (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.)

({T}: Add {U}.)

({T}: Add {R}.)

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

{T}: Add {C}. {1}, {T}: Add one mana of any color. When you spend this mana to cast your commander, scry X, where X is the number of times it's been cast from the command zone this game.

This land enters tapped. {T}: Add {R}. {2}{U}{U}{R}, {T}, Sacrifice this land: Scry 2. This land deals 2 damage to each creature. Activate only as a sorcery.

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

This spell costs {1} less to cast if you control a Wizard. When this creature enters, return target creature an opponent controls to its owner's hand.

When this creature enters, it deals X damage to any target, where X is the greatest number of creatures you control that have a creature type in common.

Burn Away deals 6 damage to target creature. When that creature dies this turn, exile its controller's graveyard.

Carbonize deals 3 damage to any target. If it's a creature, it can't be regenerated this turn, and if it would die this turn, exile it instead.

Kicker {R} (You may pay an additional {R} as you cast this spell.) Cinderclasm deals 1 damage to each creature. If it was kicked, it deals 2 damage to each creature instead.

When this creature enters, if you cast it from your hand, return all permanents to their owners' hands except for Giants, Wizards, and lands.

When this creature enters, it deals X damage to target creature an opponent controls, where X is the number of instant and sorcery cards in your graveyard.

Demon Bolt deals 4 damage to target creature or planeswalker. Foretell {R} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Return target nonland permanent to its owner's hand.

Flame Spill deals 4 damage to target creature. Excess damage is dealt to that creature's controller instead.

Flame-Blessed Bolt deals 2 damage to target creature or planeswalker. If that creature or planeswalker would die this turn, exile it instead.

Tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step. 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.)

Put target creature into its owner's library second from the top.

Light Up the Night deals X damage to any target. It deals X plus 1 damage instead if that target is a creature or planeswalker. Flashback—{3}{R}, Remove X loyalty counters from among planeswalkers you control. If you cast this spell this way, X can't be 0. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Counter target noncreature spell.

Choose target creature an opponent controls, then roll a d20. 1—9 | Return it to its owner's hand. 10—19 | Its owner puts it on their choice of the top or bottom of their library. 20 | Gain control of it until the end of your next turn.

Pyroclasm deals 2 damage to each creature.

Rending Flame deals 5 damage to target creature or planeswalker. If that permanent is a Spirit, Rending Flame also deals 2 damage to that permanent's controller.

Roast deals 5 damage to target creature without flying.

Scorching Dragonfire deals 3 damage to target creature or planeswalker. If that creature or planeswalker would die this turn, exile it instead.

Scouring Sands deals 1 damage to each creature your opponents control. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Destroy target artifact.

This spell costs {3} less to cast if you control a Giant. Squash deals 6 damage to target creature or planeswalker.

Thundering Rebuke deals 4 damage to target creature or planeswalker.

Counter target spell. Choose 1, 2, or 3 at random. Its controller mills that many cards, then exiles cards from the top of their library until they exile a nonland card with a different name than that spell. They may cast that card without paying its mana cost. Then they put the exiled cards on the bottom of their library in a random order.

For each spell and ability your opponents control, counter it unless its controller pays {4}.