Bog Humbugs

Flying
Whenever Bog Humbugs deals combat damage, hum that many notes of a festive song. If you can, put a +1/+1 counter on Bog Humbugs.

Angelic Guardian

Flying (This creature can’t be blocked except by creatures with flying or reach.)
Whenever one or more creatures you control attack, they gain indestructible until end of turn. (Damage and effects that say “destroy” don’t destroy them.)

Immortal Phoenix

Flying (This creature can’t be blocked except by creatures with flying or reach.)
When Immortal Phoenix dies, return it to its owner’s hand.

Pilgrim’s Eye

Flying
When Pilgrim’s Eye enters the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle your library.

Zahid, Djinn of the Lamp

You may pay and tap an untapped artifact you control rather than pay this spell’s mana cost.
Flying

Soulblade Djinn

Flying
Whenever you cast a noncreature spell, creatures you control get +1/+1 until end of turn.

Advanced Stitchwing

Flying
, Discard two cards: Return Advanced Stitchwing from your graveyard to the battlefield tapped.

Subjugator Angel

Flying
When Subjugator Angel enters the battlefield, tap all creatures your opponents control.

Militant Angel

Flying, lifelink
When Militant Angel enters the battlefield, create a number of 2/2 white Knight creature tokens with vigilance equal to the number of opponents you attacked this turn.

Inspired Sphinx

Flying
When Inspired Sphinx enters the battlefield, draw cards equal to the number of opponents you have.
: Create a 1/1 colorless Thopter artifact creature token with flying.

Mirko Vosk, Mind Drinker

Flying
Whenever Mirko Vosk, Mind Drinker deals combat damage to a player, that player reveals cards from the top of their library until they reveal four land cards, then puts those cards into their graveyard.

Aurelia, the Warleader

Flying, vigilance, haste
Whenever Aurelia, the Warleader attacks for the first time each turn, untap all creatures you control. After this phase, there is an additional combat phase.

Stinkweed Imp

Flying
Whenever Stinkweed Imp deals combat damage to a creature, destroy that creature.
Dredge 5 (If you would draw a card, you may mill five cards instead. If you do, return this card from your graveyard to your hand.)

Nightveil Specter

Flying
Whenever Nightveil Specter deals combat damage to a player, that player exiles the top card of their library.
You may play lands and cast spells from among cards exiled with Nightveil Specter.

Hypersonic Dragon

Flying, haste
You may cast sorcery spells as though they had flash. (You may cast them any time you could cast an instant.)

Firemane Angel

Flying, first strike
At the beginning of your upkeep, if Firemane Angel is in your graveyard or on the battlefield, you may gain 1 life.
: Return Firemane Angel from your graveyard to the battlefield. Activate this ability only during your upkeep.

Szadek, Lord of Secrets

Flying
If Szadek, Lord of Secrets would deal combat damage to a player, instead put that many +1/+1 counters on Szadek and that player mills that many cards.

Firemane Avenger

Flying
Battalion — Whenever Firemane Avenger and at least two other creatures attack, Firemane Avenger deals 3 damage to any target and you gain 3 life.

Niv-Mizzet, the Firemind

Flying
Whenever you draw a card, Niv-Mizzet, the Firemind deals 1 damage to any target.
: Draw a card.

Razia, Boros Archangel

Flying, vigilance, haste
: The next 3 damage that would be dealt to target creature you control this turn is dealt to another target creature instead.

Moroii

Flying
At the beginning of your upkeep, you lose 1 life.