Rimefeather Owl

Flying
Rimefeather Owl’s power and toughness are each equal to the number of snow permanents on the battlefield.
: Put an ice counter on target permanent.
Permanents with ice counters on them are snow.

Zur the Enchanter

Flying
Whenever Zur the Enchanter attacks, you may search your library for an enchantment card with converted mana cost 3 or less and put it onto the battlefield. If you do, shuffle your library.

Wall of Shards

Defender, flying
Cumulative upkeep—An opponent gains 1 life. (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.)

Phobian Phantasm

Flying; fear (This creature can’t be blocked except by artifact creatures and/or black creatures.)
Cumulative upkeep (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.)

Herald of Leshrac

Flying
Cumulative upkeep—Gain control of a land you don’t control. (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.)
Herald of Leshrac gets +1/+1 for each land you control but don’t own.
When Herald of Leshrac leaves the battlefield, each player gains control of each land they own that you control.

Tresserhorn Skyknight

Flying
Prevent all damage that would be dealt to Tresserhorn Skyknight by creatures with first strike.

Chilling Shade

Flying
: Chilling Shade gets +1/+1 until end of turn. ( can be paid with one mana from a snow permanent.)

Frost Raptor

Flying
: Frost Raptor gains shroud until end of turn. ( can be paid with one mana from a snow permanent. A creature with shroud can’t be the target of spells or abilities.)

Krovikan Mist

Flying
Krovikan Mist’s power and toughness are each equal to the number of Illusions on the battlefield.

Garza Zol, Plague Queen

Flying, haste
Whenever a creature dealt damage by Garza Zol, Plague Queen this turn dies, put a +1/+1 counter on Garza Zol.
Whenever Garza Zol deals combat damage to a player, you may draw a card.

Blizzard Specter

Flying
Whenever Blizzard Specter deals combat damage to a player, choose one —
• That player returns a permanent they control to its owner’s hand.
• That player discards a card.

Adarkar Valkyrie

Flying, vigilance
: When target creature other than Adarkar Valkyrie dies this turn, return that card to the battlefield under your control.

Vexing Sphinx

Flying
Cumulative upkeep—Discard a card. (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.)
When Vexing Sphinx dies, draw a card for each age counter on it.

Shard Phoenix

Flying (This creature can’t be blocked except by creatures with flying or reach.)
Sacrifice Shard Phoenix: It deals 2 damage to each creature without flying.
: Return Shard Phoenix from your graveyard to your hand. Activate this ability only during your upkeep.

Rakdos the Defiler

Flying, trample
Whenever Rakdos the Defiler attacks, sacrifice half the non-Demon permanents you control, rounded up.
Whenever Rakdos deals combat damage to a player, that player sacrifices half the non-Demon permanents they control, rounded up.

Trygon Predator

Flying
Whenever Trygon Predator deals combat damage to a player, you may destroy target artifact or enchantment that player controls.

Sky Hussar

Flying
When Sky Hussar enters the battlefield, untap all creatures you control.
Forecast — Tap two untapped white and/or blue creatures you control, Reveal Sky Hussar from your hand: Draw a card. (Activate this ability only during your upkeep and only once each turn.)

Tidespout Tyrant

Flying
Whenever you cast a spell, return target permanent to its owner’s hand.

Isperia the Inscrutable

Flying
Whenever Isperia the Inscrutable deals combat damage to a player, choose a card name. That player reveals their hand. If a card with the chosen name is revealed this way, search your library for a creature card with flying, reveal it, put it into your hand, then shuffle your library.

Freewind Equenaut

Flying
As long as Freewind Equenaut is enchanted, it has “: Freewind Equenaut deals 2 damage to target attacking or blocking creature.”

Pride of the Clouds

Flying
Pride of the Clouds gets +1/+1 for each other creature with flying on the battlefield.
Forecast — , Reveal Pride of the Clouds from your hand: Create a 1/1 white and blue Bird creature token with flying. (Activate this ability only during your upkeep and only once each turn.)

Celestial Ancient

Flying
Whenever you cast an enchantment spell, put a +1/+1 counter on each creature you control.

Stoic Ephemera

Defender (This creature can’t attack.)
Flying
When Stoic Ephemera blocks, sacrifice it at end of combat.