Whenever a creature you control enters this turn, put a +1/+1 counter on it and it gains haste until end of turn. Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

Kicker {4} (You may pay an additional {4} as you cast this spell.) Burst Lightning deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead.

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

Devoid (This card has no color.) Fanged Flames deals 4 damage to target creature or planeswalker. If that creature or planeswalker would die this turn, exile it instead.

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

Flame Rift deals 4 damage to each player.

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.)

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

Whenever one or more artifacts you control enter, this creature deals that much damage to each opponent.

Lightning Bolt deals 3 damage to any target.

{1}, Sacrifice an artifact or creature: This enchantment deals 1 damage to any target.

Whenever a creature you control with power 2 or less attacks, this enchantment deals 1 damage to the player or planeswalker that creature is attacking.

Whenever an artifact you control enters, this creature deals 1 damage to each opponent.

Shock deals 2 damage to any target.

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

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

{T}: Add {U} or {R}. {U}{R}, {T}, Sacrifice this artifact: Draw a card.

{T}: Add {U} or {R}. {U/R}{U/R}{U/R}{U/R}, {T}, Sacrifice this artifact: Draw two cards.

{1}, {T}: Add {U}{R}.

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

Enchant creature Enchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.) Whenever enchanted creature attacks, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Target player draws three cards. Then that player discards two cards unless they discard a land card.

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.) Draw a card.

Target player draws two cards. Flashback—{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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

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.

This spell costs {2} less to cast if you control a Human creature and a non-Human creature. Draw two cards.

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

Draw two cards, then sacrifice a permanent.

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

Draw a card. Scry 2.

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

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Draw two cards.

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

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Draw three cards.

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.")

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.) Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card.

This spell costs {1} less to cast for each card you've drawn this turn. The owner of target nonland permanent puts it into their library second from the top or on the bottom.

Destroy target artifact or land. Creatures without flying can't block this turn.

Tap target creature an opponent controls and put three stun counters on it. Scry 2. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.) Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card.

Spree (Choose one or more additional costs.) + {3} — Create a 2/2 white Spirit creature token with flying. + {1} — Counter target spell unless its controller pays {2}.

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

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

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

When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) {T}: Add {C}. {1}, {T}: Add one mana of any color.

When this land enters, scry 1. {T}: Add {C}. {1}, {T}: Add one mana of any color.

This land enters tapped. When this land enters, it deals 1 damage to target opponent. {T}: Add {U} or {R}.

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

{T}: Add {C}. {1}, {T}, Sacrifice this land: Search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) {T}: Add {C}. {1}, {T}: Add one mana of any color.

({T}: Add {U}.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{R}.

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

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

({T}: Add {R}.)

({T}: Add {U}.) This land enters tapped unless you control three or more other Islands. When this land enters untapped, you may put target instant or sorcery card from your graveyard on top of your library.

This land enters tapped. As it enters, choose a color. {T}: Add one mana of the chosen color. Cycling {3} ({3}, Discard this card: Draw a card.)

This land enters tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

This land enters tapped. {T}: Add {U} or {R}. {4}, {T}: Scry 1.

{T}: Add {C}. {T}, Tap an untapped creature you control: Add one mana of any color.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {R}.

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

This land enters tapped. As it enters, choose a color other than red. {T}: Add {R} or one mana of the chosen color.

Create two 1/1 red Goblin creature tokens.

Create a 1/1 red Dinosaur creature token with haste and a 1/1 white Human Soldier creature token.

Creatures you control get +2/+0 until end of turn. Whenever a nontoken creature you control dies this turn, create a 1/1 black Rat creature token with "This token can't block."

Create a 0/3 blue Crab creature token. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Create two 1/1 red Goblin creature tokens.

Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying.

Choose target spell. You get {E}{E} (two energy counters), then you may pay any amount of {E}. Counter that spell unless its controller pays {1} for each {E} paid this way.

Counter target spell unless its controller pays {2}. If you control a Bird, counter that spell unless its controller pays {4} instead.

Target creature you control gets +0/+1 and gains hexproof until end of turn. Overload {1}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Counter target noncreature spell.

Counter target spell. Draw a card, then discard a card.

Target creature you control gets +1/+1 and gains hexproof until end of turn. Untap it. (It can't be the target of spells or abilities your opponents control.)