Flying When Arcanist's Owl enters the battlefield, look at the top four cards of your library. You may reveal an artifact or enchantment card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Flying Arctic Aven gets +1/+1 as long as you control a Plains. {W}: Arctic Aven gains lifelink until end of turn. (Damage dealt by this creature also causes you to gain that much life.)

Flying (This creature can't be blocked except by creatures with flying or reach.) When Aven Cloudchaser enters the battlefield, destroy target enchantment.

Flying When Aven Gagglemaster enters the battlefield, you gain 2 life for each creature you control with flying.

Flash Flying If an opponent would search a library, that player searches the top four cards of that library instead.

Flying, first strike

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 Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

Flying Inklings can't attack you or planeswalkers you control. Whenever a player attacks one of your opponents, that attacking player creates a tapped 2/1 white and black Inkling creature token with flying that's attacking that opponent.

Whenever you cast a nonlegendary creature spell with flying, you may copy it, except the copy is a 1/1 Spirit in addition to its other types. Do this only once each turn. (The copy becomes a token.)

Flying Landfall — Whenever a land enters the battlefield under your control, you may create a 1/1 white Bird creature token with flying.

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

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

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.)

Creatures without flying can't attack.

Flash Flying Cycling {2}{U} ({2}{U}, Discard this card: Draw a card.) When you cycle Nimble Obstructionist, counter target activated or triggered ability you don't control.

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 Whenever Siani, Eye of the Storm attacks, scry X, where X is the number of attacking creatures with flying. Partner (You can have two commanders if both have partner.)

Flying When Silver Raven enters the battlefield, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

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.

Flying Whenever a creature with flying dies, put a +1/+1 counter on Soulcatcher.

Flying Whenever Steel-Plume Marshal attacks, other attacking creatures you control with flying get +2/+2 until end of turn.

Flying White spells and black spells you cast cost {1} less to cast.

Flying, vigilance Other nontoken creatures you control get +1/+1 and have vigilance.

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.

Nontoken creatures you control get +1/+1 and have vigilance.

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

Counter target spell unless its controller pays {1}. If you control a creature with flying, counter that spell unless its controller pays {4} instead.

{T}: Add {C}. {2}, {T}: Put a +1/+1 counter on target Bird, Cat, Dog, Goat, Ox, or Snake.

If you control two or more other lands, Cave of the Frost Dragon enters the battlefield tapped. {T}: Add {W}. {4}{W}: Cave of the Frost Dragon becomes a 3/4 white Dragon creature with flying until end of turn. It's still a land.

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

Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island. {T}: Add {W} or {U}.

({T}: Add {W} or {U}.) As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({T}: Add {W} or {U}.) Irrigated Farmland enters the battlefield tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {U}.)

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

{T}: Add {C}. {T}: Add {W}. Activate only if you control an Island. {T}: Add {U}. Activate only if you control a Plains.

Path of Ancestry enters the battlefield 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.)

({T}: Add {W}.)

As Port Town enters the battlefield, you may reveal a Plains or Island card from your hand. If you don't, Port Town enters the battlefield tapped. {T}: Add {W} or {U}.

({T}: Add {W} or {U}.) Prairie Stream enters the battlefield tapped unless you control two or more basic lands.

Destroy target tapped creature. You gain 1 life for each creature you control with flying.

Choose two — • Destroy all artifacts. • Destroy all enchantments. • Destroy all creatures with mana value 3 or less. • Destroy all creatures with mana value 4 or greater.

This spell costs {2} less to cast if you control a creature with flying. Return target nonland permanent you don't control to its owner's hand. Draw a card.

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.)