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

{2}, {T}, Sacrifice Armillary Sphere: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.

{T}: Add three mana of any one color.

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

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

{T}: Add {C}. {1}, {T}, Sacrifice Mind Stone: Draw a card.

Sky Diamond enters the battlefield tapped. {T}: Add {U}.

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

{T}: Add {C}{C}. {2}, {T}, Sacrifice Stonespeaker Crystal: Exile any number of target players' graveyards. Draw a card.

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

{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Agent of Treachery enters the battlefield, gain control of target permanent. At the beginning of your end step, if you control three or more permanents you don't own, draw three cards.

{T}: Draw three cards. {2}{U}{U}: Return Arcanis the Omnipotent to its owner's hand.

Flying You may reveal the first card you draw each turn as you draw it. Whenever you reveal an instant or sorcery card this way, copy that card and you may cast the copy. That copy costs {2} less to cast. When God-Eternal Kefnet dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.

Flash This spell can't be countered. Whenever you cast a spell, choose up to one — • Return target spell you don't control to its owner's hand. • Return target nonland permanent to its owner's hand.

Bestow {5}{U}{U} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.) Flying You control enchanted creature. Enchanted creature gets +1/+1 and has flying.

Flying When Keiga, the Tide Star dies, gain control of target creature.

Dominate Monster — When Mind Flayer enters the battlefield, gain control of target creature for as long as you control Mind Flayer.

You may have Mirror Image enter the battlefield as a copy of a creature you control.

Flying {T}: Add one mana of any color.

({U/P} can be paid with either {U} or 2 life.) You may have Phyrexian Metamorph enter the battlefield as a copy of any artifact or creature on the battlefield, except it's an artifact in addition to its other types.

Flying Landfall — Whenever a land enters the battlefield under your control, you may gain control of target creature for as long as you control Roil Elemental.

When Shield Broker enters the battlefield, put a shield counter on target noncommander creature you don't control. You gain control of that creature for as long as it has a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

Flying When Sower of Temptation enters the battlefield, gain control of target creature for as long as Sower of Temptation remains on the battlefield.

Enchant noncommander creature You control enchanted creature. Enchanted creature gets +2/+2 and can't be blocked unless it's attacking its owner or a permanent its owner controls.

Enchant creature You control enchanted creature.

Enchant player At the beginning of enchanted player's upkeep, that player reveals cards from the top of their library until they reveal a creature card. Put that card onto the battlefield under your control. That player puts the rest of the revealed cards into their graveyard.

Enchant player Whenever enchanted player is attacked, you draw a card. Each opponent attacking that player does the same.

Enchant permanent You control enchanted permanent. Enchanted permanent is legendary.

Enchant creature You control enchanted creature.

Whenever an opponent casts their first spell each turn, that player exiles the top card of their library. If it's a nonland card, you may cast it without paying its mana cost.

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.) You control enchanted creature.

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

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

Counter target spell.

Counter target spell. If an artifact or creature spell is countered this way, put that card onto the battlefield under your control instead of into its owner's graveyard.

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

Counter target spell. Its controller draws a card. Draw a card.

Copy target instant or sorcery spell, then return it to its owner's hand. You may choose new targets for the copy.

Counter target noncreature spell.

Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)

Untap all creatures you control and all creatures target opponent controls. You and that opponent each gain control of all creatures the other controls until end of turn. Those creatures gain haste until end of turn.

Exile target artifact or creature. Its controller creates a 4/4 blue and red Elemental creature token.

Return target creature to its owner's hand. You create a token that's a copy of that creature.

Copy target instant or sorcery spell. You may choose new targets for the copy.

Desert of the Mindful enters the battlefield tapped. {T}: Add {U}. Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)

({T}: Add {U}.)

Lonely Sandbar enters the battlefield tapped. {T}: Add {U}. Cycling {U} ({U}, Discard this card: Draw a card.)

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

Remote Isle enters the battlefield tapped. {T}: Add {U}. Cycling {2} ({2}, Discard this card: Draw a card.)

{T}: Add {C}. {2}, {T}: You may put a basic land card from your hand onto the battlefield tapped.

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

Gain control of target creature with mana value X.

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 artifact or creature. Untap it.

Gain control of X target creatures and/or planeswalkers.

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

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.)

Exile target artifact or creature. Its controller creates a 1/1 blue Bird creature token with flying. Foretell {U} (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 all nonland permanents target player controls to their owner's hand.

Return each creature your opponents control with toughness X or less to its owner's hand, where X is the number of Islands you control. Foretell {1}{U}{U} (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.)

For each opponent, gain control of up to one target creature or planeswalker that player controls with mana value 3 or less.

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