When this creature enters, return target instant or sorcery card from your graveyard to your hand.

Instant and sorcery spells you cast cost {1} less to cast. Whenever you cast an instant or sorcery spell, draw a card.

When this creature enters, you may cast target instant or sorcery card with mana value 4 or less from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.

Flying, haste You may cast sorcery spells as though they had flash. (You may cast them any time you could cast an instant.)

This spell can't be countered. Flying Whenever you draw a card, Niv-Mizzet deals 1 damage to any target. Whenever a player casts an instant or sorcery spell, you draw a card.

Flying, trample Spellheart Chimera's power is equal to the number of instant and sorcery cards in your graveyard.

Haste Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Instant and sorcery spells you cast cost {1} less to cast.

Haste Whenever you cast an instant or sorcery spell, create a token that's a copy of this creature. Exile that token at the beginning of the next end step.

Whenever you cast a noncreature spell, put a +1/+1 counter on this creature.

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

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

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

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

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

As this land enters, you may reveal an Island or Mountain card from your hand. If you don't, this land enters tapped. {T}: Add {U} or {R}.

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

({T}: Add {U}.)

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

({T}: Add {R}.)

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

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 unless a player has 13 or less life. {T}: Add {U} or {R}.

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

{T}: Add {C}. {T}: Add {U} or {R}. This land deals 1 damage to you.

This land enters tapped. When this land enters, target creature an opponent controls doesn't untap during its controller's next untap step. {T}: Add {U}.

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

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {U} or {R}.

Cone of Flame deals 1 damage to any target, 2 damage to another target, and 3 damage to a third target.

Council's dilemma — Starting with you, each player votes for time or money. For each time vote, take an extra turn after this one. For each money vote, choose a permanent owned by the voter and gain control of it. Exile Expropriate.

Gain control of target creature or Vehicle until end of turn. Untap it. It gains haste until end of turn. You may cast a spell with mana value 2 or less from your hand without paying its mana cost.

Draw three cards, untap up to two lands, then discard a card.

Rolling Thunder deals X damage divided as you choose among any number of targets.

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

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

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

Whenever you cast a noncreature or Otter spell, you may exile the top card of your library. Until end of turn, you may play that card. This ability triggers only once each turn.

This spell costs {1} less to cast if you control an Otter. Draw two cards.

Draw four cards, then discard two cards.

Banefire deals X damage to any target. If X is 5 or more, this spell can't be countered and the damage can't be prevented.

Offspring {2} (You may pay an additional {2} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.) Whenever you cast a noncreature spell, this creature deals 1 damage to each opponent.

During your turn, you may cast instant and sorcery spells from your graveyard by paying 1 life in addition to their other costs. If a card or token would be put into your graveyard from anywhere, exile it instead. {1}{R}: Sacrifice this enchantment.

(Gain the next level as a sorcery to add its ability.) You may look at the top card of your library any time. {3}{U}: Level 2 As long as you've cast a spell this turn, you may play cards from the top of your library. {2}{U}: Level 3 Spells you cast from anywhere other than your hand cost {2} less to cast.

(Gain the next level as a sorcery to add its ability.) When this Class enters, create a 1/1 blue and red Otter creature token with prowess. {3}{U}: Level 2 When this Class becomes level 2, return target instant or sorcery card from your graveyard to your hand. {5}{U}: Level 3 Whenever you cast an instant or sorcery spell, create a 1/1 blue and red Otter creature token with prowess.

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

Instant and sorcery spells you cast cost {1} less to cast.

+1: Add {R}{R}{R}. Spend this mana only to cast instant or sorcery spells. +1: Discard up to three cards, then draw that many cards. −8: You get an emblem with "You may cast instant and sorcery spells from your graveyard. If a spell cast this way would be put into your graveyard, exile it instead."

As this artifact enters, choose a creature type. Creatures you control of the chosen type get +1/+1. {T}: Add one mana of any color.

+1: Tap target permanent, then untap another target permanent. −2: Ral Zarek deals 3 damage to any target. −7: Flip five coins. Take an extra turn after this one for each coin that comes up heads.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

Play with the top card of your library revealed. You may cast instant and sorcery spells from the top of your library. Whenever you cast an instant or sorcery spell from your library, copy it. You may choose new targets for the copy.

Flying You may have this creature enter as a copy of any creature on the battlefield with mana value less than or equal to the amount of mana spent to cast this creature, except it's a Bird in addition to its other types and it has flying.

Return all attacking creatures to their owner's hand.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Counter target spell.

Electrickery deals 1 damage to target creature you don't control. Overload {1}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Create a token that's a copy of target creature you control. If it's your turn, scry 2.

Counter target noncreature spell.

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.

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

Counter target spell. Untap up to four lands.

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

Return target creature to its owner's hand. Untap up to two lands.

Choose one — • Agate Assault deals 4 damage to target creature. If that creature would die this turn, exile it instead. • Exile target artifact.

Conduct Electricity deals 6 damage to target creature and 2 damage to up to one target creature token.

Heat Ray deals X damage to target creature.

Enchant creature, land, or planeswalker Enchanted permanent is a colorless land with "{T}: Add {C}" and loses all other card types and abilities.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Target player takes an extra turn after this one. Return up to one target nonland permanent to its owner's hand. Exile Karn's Temporal Sundering.

Draw a card. Master the Way deals damage to any target equal to the number of cards in your hand.