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

{T}: Add {W} or {U}. {W}{U}: Azorius Keyrune becomes a 2/2 white and blue Bird artifact creature with flying until end of turn.

{T}: Add {W} or {U}. {W/U}{W/U}{W/U}{W/U}, {T}, Sacrifice Azorius Locket: Draw two cards.

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

{T}: Look at target player's hand.

Marble Diamond enters the battlefield tapped. {T}: Add {W}.

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

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

As Sorcerous Spyglass enters the battlefield, look at an opponent's hand, then choose any card name. Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

Flying As Alhammarret, High Arbiter enters the battlefield, each opponent reveals their hand. You choose the name of a nonland card revealed this way. Your opponents can't cast spells with the chosen name (as long as this creature is on the battlefield).

Flying When Angel of Finality enters the battlefield, exile target player's graveyard.

Flying {2}{U}, {T}: Draw two cards, then discard a card. Whenever Atemsis, All-Seeing deals damage to an opponent, you may reveal your hand. If cards with at least six different mana values are revealed this way, that player loses the game.

Flying When Cartographer's Hawk deals combat damage to a player who controls more lands than you, return it to its owner's hand. If you do, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.

Flying When Cloudblazer enters the battlefield, you gain 2 life and draw two cards.

Flying Whenever Dazzling Sphinx deals combat damage to a player, that player exiles cards from the top of their library until they exile an instant or sorcery card. You may cast that card without paying its mana cost. Then that player puts the exiled cards that weren't cast this way on the bottom of their library in a random order.

Flying As an additional cost to cast blue permanent spells, you may pay 2 life. Those spells cost {U} less to cast if you paid life this way. This effect reduces only the amount of blue mana you pay. Whenever you cast a blue permanent spell, draw a card.

Flying, lifelink Whenever you draw a card, Dream Trawler gets +1/+0 until end of turn. Whenever Dream Trawler attacks, draw a card. Discard a card: Dream Trawler gains hexproof until end of turn. Tap it.

Flying When Elite Spellbinder enters the battlefield, look at target opponent's hand. You may exile a nonland card from it. For as long as that card remains exiled, its owner may play it. A spell cast this way costs {2} more to cast.

Flying Other creatures you control with flying get +1/+1.

Prowl {3}{U} (You may cast this spell for its prowl cost if you dealt combat damage to a player this turn with a Sphinx or Rogue.) Flying When Enigma Thief enters the battlefield, for each opponent, return up to one target nonland permanent that player controls to its owner's hand.

Flash Flying You may look at the top card of your library any time. You may cast spells with flash or flying from the top of your library.

Flying Whenever a creature attacks you or a planeswalker you control, you may draw a card.

Flying Creatures you control with flying have "Spells your opponents cast that target this creature cost {2} more to cast."

Flying Sacrifice Judge's Familiar: Counter target instant or sorcery spell unless its controller pays {1}.

Flying Whenever Kangee's Lieutenant attacks, attacking creatures with flying get +1/+1 until end of turn. Encore {5}{W} ({5}{W}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Flying, vigilance Whenever Kangee, Sky Warden attacks, attacking creatures with flying get +2/+0 until end of turn. Whenever Kangee blocks, blocking creatures with flying get +0/+2 until end of turn.

Flying Whenever Master of Predicaments deals combat damage to a player, choose a card in your hand. That player guesses whether the card's mana value is greater than 4. If the player guessed wrong, you may cast the card without paying its mana cost.

Flying When Mulldrifter enters the battlefield, draw two cards. Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

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

Flying Sacrifice Remorseful Cleric: Exile target player's graveyard.

You may pay {W} and tap four untapped creatures you control with flying rather than pay this spell's mana cost. Flying, lifelink Other creatures you control with flying have indestructible. (Damage and effects that say "destroy" don't destroy them.)

Flying Skycat Sovereign gets +1/+1 for each other creature you control with flying. {2}{W}{U}: Create a 1/1 white Cat Bird creature token with flying.

You may reveal this card from your opening hand. If you do, scry 3 at the beginning of your first upkeep. Flying At the beginning of your upkeep, scry 1.

Flying When Sphinx of Uthuun enters the battlefield, reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Flying When Sunblast Angel enters the battlefield, destroy all tapped creatures.

Flying When Talas Explorer enters the battlefield, look at target opponent's hand.

Flash (You may cast this spell any time you could cast an instant.) Flying Other creatures you control with flying get +1/+1.

Flying Creature spells with flying you cast cost {1} less to cast.

Flying Creature spells with flying you cast cost {1} less to cast. Whenever another creature with flying enters the battlefield under your control, Watcher of the Spheres gets +1/+1 until end of turn.

Whenever one or more creatures attack, you may have target attacking creature gain double strike until end of turn.

Creatures you control with flying get +1/+1.

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

Whenever a creature you control deals combat damage to a player, you may draw a card. Cycling {2} ({2}, Discard this card: Draw a card.)

Return all attacking creatures to their owner's hand.

For each attacking creature, its owner puts it on the top or bottom of their library.

Look at target player's hand. Draw a card at the beginning of the next turn's upkeep.

Return all noncreature, nonland permanents to their owners' hands.

Return target nonland permanent to its owner's hand. If you controlled that permanent, draw a card.

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

Counter target spell. Look at its controller's hand.

Counter target spell. That spell's controller reveals their hand, then discards each card with the same name as a card spliced onto that spell.

Look at target player's hand. Draw a card.

Untap all creatures you control. Creatures you control with flying get +2/+2 until end of turn.

Look at target player's hand, the top card of that player's library, and any face-down creatures they control. Look at the top four cards of your library, then put them back in any order.

Return target creature to its owner's hand.

({T}: Add {U}.)

Create four 1/1 white Bird creature tokens with flying. Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Target player reveals their hand. You gain life equal to the number of cards in that player's hand.