Return all attacking creatures to their owner's hand.

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

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.

You may exile two blue cards from your hand rather than pay this spell's mana cost. Gain control of target noncreature spell. You may choose new targets for it. (If that spell is an artifact, enchantment, or planeswalker, the permanent enters under your control.)

Counter target spell.

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

Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

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

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

Lands you control have "{T}: Add one mana of any color." {T}: Add one mana of any color.

This artifact enters tapped. As this artifact enters, choose a color. {T}: Add one mana of the chosen color.

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

{T}, Collect evidence 3: Add one mana of any color. Put an unlock counter on this artifact. (To collect evidence 3, exile cards with total mana value 3 or greater from your graveyard.) Sacrifice this artifact: Surveil 3, then draw three cards. Activate only if this artifact has five or more unlock counters on it.

You have no maximum hand size. {T}: Add one mana of any color.

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

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

{T}: Add {R}. Put a stash counter on this artifact. {T}, Sacrifice this artifact: Add X mana of any one color, where X is the number of stash counters on this artifact.

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

{T}: Add one mana of any color. {4}, {T}: Look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you don't put the card onto the battlefield, you may put it on the bottom of your library.

{T}: Add one mana of any color. {2}, {T}, Sacrifice this artifact: Draw a card.

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

{T}: Add one mana of any color.

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

{T}: Add {U}. {2}{U}: Put an hour counter on this artifact. At the beginning of each upkeep, put an hour counter on this artifact. When the twelfth hour counter is put on this artifact, shuffle your hand and graveyard into your library, then draw seven cards. Exile this artifact.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

{T}: Add one mana of any color. {1}, {T}: Untap target legendary creature you control.

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

You may have this artifact enter as a copy of any artifact on the battlefield.

{T}: Add {C}. {2}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Imprint — When this artifact enters, you may exile a nonland card from your hand. Spells you cast that share a card type with the exiled card cost {2} less to cast.

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

Suspend 3—{1} (Rather than cast this card from your hand, pay {1} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.) {T}: Add {C}{C}.

{T}: Choose a player. That player adds one mana of any color they choose.

({U/P} can be paid with either {U} or 2 life.) {1}{U/P}, {T}, Exile a spell you control: Target opponent reveals cards from the top of their library until they reveal a card with mana value equal to 1 plus the exiled spell's mana value. Exile that card, then that player shuffles. You may cast that exiled card without paying its mana cost.

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

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

{4}, {T}: Roll a d20. Each opponent exiles cards from the top of their library until they exile an instant or sorcery card, then shuffles the rest into their library. You may cast up to X instant and/or sorcery spells from among cards exiled this way without paying their mana costs. 1—9 | X is one. 10—19 | X is two. 20 | X is three.

{T}: Put a coin counter on this artifact. When you do, you may cast target instant or sorcery card with mana value equal to the number of coin counters on this artifact from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead. Activate only as a sorcery.

({T}: Add {U}.)

Cleave {4}{U}{U}{R} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.) Take an extra turn after this one. During that turn, damage can't be prevented. [At the beginning of that turn's end step, you lose the game.] Exile Alchemist's Gambit.

Gain control of target creature with mana value X or less. If X is 5 or more, create a token that's a copy of that creature.

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

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

Destroy all creatures.

Choose a number between 0 and 10. Destroy all creatures with power greater than or equal to the chosen number.

Return all creatures to their owners' hands. For each opponent who controlled a creature returned this way, you create two 1/1 blue Faerie creature tokens with flying and "This token can block only creatures with flying."

Destroy all creatures with power greater than target creature's power.

Scry 4, then draw two cards.

Discover 10. If the discovered card's mana value is less than 10, create a number of tapped Treasure tokens equal to the difference. (To discover 10, exile cards from the top of your library until you exile a nonland card with mana value 10 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Exile the top three cards of your library. Until the end of your next turn, you may play those cards. Create three Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

This spell costs {3} less to cast if it targets a creature whose controller has eight or more cards in their graveyard. Gain control of target creature with mana value X.

Choose one — • Gain control of all creatures with power 4 or greater until end of turn. Untap those creatures. They gain haste until end of turn. • Gain control of all creatures with power 3 or less until end of turn. Untap those creatures. They gain haste until end of turn.

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

As an additional cost to cast this spell, discard a card. Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Exchange control of target artifact you control and target artifact or creature you don't control.

Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

Surveil 5. (Look at the top five cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

At the beginning of each player's end step, if an artifact entered the battlefield under your control this turn, look at the top two cards of your library. Put one of them into your hand and the other into your graveyard.

Whenever Etali attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Flying Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card with lesser mana value. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Flying Filigree Attendant's power is equal to the number of artifacts you control.

Flying Whenever you cast a noncreature spell, create a 1/1 white Spirit creature token with flying. Sacrifice a Spirit: Add {R}.

Whenever you cast a spell, you may put it on the bottom of its owner's library. If you do, reveal cards from the top of your library until you reveal a nonland card. You may cast that card without paying its mana cost. Then put all revealed cards not cast this way on the bottom of your library in a random order. This ability triggers only once each turn.

{T}, Sacrifice an artifact: Add an amount of {R} equal to the sacrificed artifact's mana value. Spend this mana only to cast artifact spells or activate abilities of artifacts.

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.

Flying Whenever you cast a spell from anywhere other than your hand, draw a card.

Vigilance {T}: Add an amount of {C} equal to Vhal's toughness. This mana can't be spent to cast spells from your hand. Choose a Background (You can have a Background as a second commander.)

Whenever a player casts an instant or sorcery card, exile it. Then that player copies each instant or sorcery card exiled with this enchantment. For each copy, the player may cast the copy without paying its mana cost.

Whenever you cast an instant or sorcery spell, you may pay {1}. If you do, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Commander creatures you own have "Whenever this creature attacks, it gains double strike until end of turn."

(Gain the next level as a sorcery to add its ability.) The second spell you cast each turn costs {1} less to cast. {W}{U}: Level 2 When this Class becomes level 2, return up to one target nonland permanent to its owner's hand. {1}{W}{U}: Level 3 At the beginning of your upkeep, exile the top card of your library. For as long as it remains exiled, it has "You may cast this card from exile as long as you've cast another spell this turn."