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.

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.

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.

Diamond Faerie

Flying
: Snow creatures you control get +1/+1 until end of turn. ( can be paid with one mana from a snow permanent.)

Kjeldoran Gargoyle

Flying, first strike
Whenever Kjeldoran Gargoyle deals damage, you gain that much life.

Rimescale Dragon

Flying
: Tap target creature and put an ice counter on it. ( can be paid with one mana from a snow permanent.)
Creatures with ice counters on them don’t untap during their controllers’ untap steps.

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.

Boreal Griffin

Flying
: Boreal Griffin gains first strike until end of turn. ( can be paid with one mana from a snow permanent.)

Storm Elemental

Flying
, Exile the top card of your library: Tap target creature with flying.
, Exile the top card of your library: If the exiled card is a snow land, Storm Elemental gets +1/+1 until end of turn.

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.)

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.

Stoic Ephemera

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

Celestial Ancient

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

Demon’s Jester

Flying
Hellbent — Demon’s Jester gets +2/+1 as long as you have no cards in hand.

Silkwing Scout

Flying
, Sacrifice Silkwing Scout: Search your library for a basic land card and put that card onto the battlefield tapped. Then shuffle your library.

Patagia Viper

Flying
When Patagia Viper enters the battlefield, create two 1/1 green and blue Snake creature tokens.
When Patagia Viper enters the battlefield, sacrifice it unless was spent to cast it.

Avatar of Discord

( can be paid with either or .)
Flying
When Avatar of Discord enters the battlefield, sacrifice it unless you discard two cards.

Wakestone Gargoyle

Defender, flying
: Creatures you control with defender can attack this turn as though they didn’t have defender.

Windreaver

Flying
: Windreaver gains vigilance until end of turn.
: Windreaver gets +0/+1 until end of turn.
: Switch Windreaver’s power and toughness until end of turn.
: Return Windreaver to its owner’s hand.

Simic Sky Swallower

Flying, trample
Shroud (This creature can’t be the target of spells or abilities.)