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.")

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Target player draws X cards. • Target player mills twice X 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. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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

Draw X cards.

Exile the top X cards of your library. You may cast an instant or sorcery spell with mana value X or less from among them without paying its mana cost. Then put the exiled instant and sorcery cards that weren't cast this way into your hand and the rest on the bottom of your library in a random order.

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

Draw X cards, then discard a card.

Spree (Choose one or more additional costs.) + {1}{U} — Counter target spell. + {3} — Create a token that's a copy of target artifact or creature you control. + {2} — Draw two cards, then discard a card.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Draw X cards.

Counter target spell. Create X 1/1 colorless Thopter artifact creature tokens with flying, where X is that spell's mana value.

Choose one — • Counter target artifact or enchantment spell. If a spell is countered this way, exile it instead of putting it into its owner's graveyard. • Counter target activated or triggered ability.

If you control a commander, you may cast this spell without paying its mana cost. You may choose new targets for target spell or ability.

If you control a commander, you may cast this spell without paying its mana cost. Counter target noncreature spell.

If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost. Counter target noncreature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost. Counter target spell.

({U/P} can be paid with either {U} or 2 life.) Counter target spell with mana value 1.

If an opponent cast three or more spells this turn, you may pay {0} rather than pay this spell's mana cost. Exile any number of target spells.

Counter target spell. Create X Treasure tokens, where X is that spell's mana value. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

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.

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.

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.

Choose artifact, creature, or land. Tap all untapped permanents of the chosen type target player controls, or untap all tapped permanents of that type that player controls.

{T}: Add {C}{C}. This land deals 2 damage to you.

As this land enters, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

{T}: Add {C}. {T}, Sacrifice this land: Put your commander into your hand from the command zone.

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

{T}: Add {C}. {1}, {T}, Sacrifice this land: You may cast spells this turn as though they had flash.

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

{T}: Add {C}. {2}, {T}, Sacrifice this land: Destroy target nonbasic land an opponent controls. Each player searches their library for a basic land card, puts it onto the battlefield, then shuffles.

({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}.

({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 unless you control an Island or a Mountain. {T}: Add {U} or {R}.

This land enters tapped unless you have two or more opponents. {T}: Add {U} or {R}.

Magecraft — Whenever you cast or copy an instant or sorcery spell, draw a card.

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.

You may cast this spell as though it had flash if you pay {2} more to cast it. For each creature your opponents control, create a Cursed Role token attached to that creature. (If you control another Role on it, put that one into the graveyard. Enchanted creature is 1/1.)

Choose a color. Sudden Demise deals X damage to each creature of the chosen color.

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

Imprint — When this artifact enters, you may exile a nonartifact, nonland card from your hand. {T}: Add one mana of any of the exiled card's colors.

{T}: Add {C}. {T}: Target nonland permanent becomes an artifact in addition to its other types until end of turn.

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

Storm (When you cast this spell, copy it for each spell cast before it this turn.) Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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

Search your library for an instant card with mana value 3, reveal it, and put it into your hand. Then repeat this process for instant cards with mana values 2 and 1. Then shuffle.

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

Search your library for an instant or sorcery card, reveal it, put it into your hand, then shuffle.

Imprint — When this artifact enters, you may exile an instant card with mana value 2 or less from your hand. {2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

Spree (Choose one or more additional costs.) + {1} — Copy target instant spell, sorcery spell, activated ability, or triggered ability. You may choose new targets for the copy. + {1} — Change the target of target spell or ability with a single target.

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.)

When this creature enters, create X Treasure tokens, where X is the number of artifacts and enchantments your opponents control. (Treasure tokens are artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

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.

{T}, Sacrifice this artifact: Add three mana of any one color. Spend this mana only to cast your commander.

Add {R}{R}{R}.

Add {R}{R}, then add {R} for each card named Rite of Flame in each graveyard.

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

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Return target permanent to its owner's hand.

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

Lightning Bolt deals 3 damage to any target.

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.

Whenever you cast an instant or sorcery spell from your hand, you may cast up to one target card of the other type from your graveyard. If a spell cast from your graveyard this way would be put into your graveyard, exile it instead. Choose a Background (You can have a Background as a second commander.)

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) If an ability of a Shaman or another Wizard you control triggers, that ability triggers an additional time.

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

Ward {2} As this creature enters, choose a creature type. This creature is the chosen type in addition to its other types. If a triggered ability of another creature you control of the chosen type triggers, it triggers an additional time.

This creature gets +1/+0 for each artifact you control. Magecraft — Whenever you cast or copy an instant or sorcery spell, create a Treasure token.

Whenever you cast an instant or sorcery spell, create a 2/2 blue Drake creature token with flying.