msem-instigator

Flying
Whenever one or more counters are put on a creature you control, Curio Siren gets +1/+0 until end of turn.

Enchant player
When Curse of the Breathless enters, create a 1/1 white Spirit creature token with flying for each Curse attached to enchanted player.
Whenever another Curse becomes attached to enchanted player, create a 1/1 white Spirit creature token with flying.

When Cyone, Expedition Captain enters, create a 1/1 Scout creature token that's all colors, then choose flying, first strike, or lifelink. Creature tokens you control gain the chosen ability until end of turn.
Whenever Cyone attacks, aetherize it. (To aetherize, create a token that's a copy of it, then exile that token.)

Flying
Whenever Cyrukan Weaponmaster attacks, amass Soldiers 1. (Put a +1/+1 counter on an Army you control. It's also a Soldier. If you don't control one, create an 0/0 black Soldier Army creature token first.)

Flying, haste
Whenever Cyrukan's Elite attacks, create
a 4/4 white Angel Soldier creature token with flying. If it's the first time Cyrukan's Elite has attacked this turn, untap all creatures you control. After this phase, there is an additional combat phase.

Flying
When Cyrukan's Messenger enters, you may search your library for an Equipment card, reveal it, put it into your hand, then shuffle.
Whenever Cyrukan's Messenger attacks, you may put an Equipment card from your hand onto the battlefield attached to Cyrukan's Messenger.

Flying
Other creatures you control with flying get +1/+1.
Whenever Czeros, Sky Prowler deals combat damage to a player, you may pay {1}{W/U}. If you do, search your library for a creature card with flying, reveal it, put it into your hand, then shuffle.

Flying
Whenever DC-4 Cutie enters or attacks, choose target creature card with mana value 3 or less in your graveyard. You may cast it this turn.
Crew 2

Flying (This creature can't be blocked except by creatures with flying or reach.)

Dafiqi Falconer gets +X/+X, where X is the amount of life you've gained this turn.
As long as your life total is greater than your starting life total, Dafiqi Falconer has flying.

Equipped creature has lifelink as long as it's white. The same is true for flying and blue, menace and black, first strike and red, and trample and green.
Equip {1}

Transcend (Activate as a sorcery to gain the next type and a +1/+1 counter.)
When Dai Gui enters, create a 1/1 green and blue Bird creature token with flying and “{T}: Add one mana of any color.”
{X}{X}{G}{U}: Demigod — You gain X life and you draw X cards. X can't be 0.
{X}{X}{G}{U}: God — Put up to X creature cards from your hand onto the battlefield.

Flying, ward {3}
Whenever you cast a spell from your hand, you may exile target card that shares a type with it from a graveyard. Until the end of your next turn, you may play that card.

{1}: Danaj Sightseer gains lifelink until end of turn if {W} was spent to activate this ability. The same is true for flying and {U}, menace and {B}, first strike and {R}, and trample and {G}.
At the beginning of your end step, if you've spent {W}{U}{B}{R}{G} to cast spells and/or activate abilities this turn, put three +1/+1 counters on Danaj Sightseer.

Identity — As long as you control at least two other creatures that share a creature type with Danuri Eaglerider, Danuri Eaglerider gets +1/+2 and has flying.

Whenever Daring Skythief crews a Vehicle, that Vehicle gains flying until end of turn.

At the beginning of combat on your turn, you may exile an instant or sorcery card from your graveyard. If you do, another target Pirate or Rogue gains flying until end of turn.

Flying
Whenever you gain life, target creature an opponent controls gets -1/-1 until end of turn.

{B}, {T}, Pay 1 life, Discard a card, Sacrifice Dark Rite Cultist and another creature: Create a 5/5 black Demon creature token with flying.

Exile up to six land cards from your graveyard. For each card exiled this way, create a 1/1 black Spirit creature token with flying.
Flashback {1}{B}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Return target creature card from your graveyard to the battlefield. Then if you control a creature with toughness 4 or greater, create a 1/1 black Bat creature token with flying and “This creature can't block.”

Flying
At the beginning of your upkeep, if you have at least two more cards in hand than any opponent, scry 1.

Flying
Heroic — Whenever you cast a spell that targets Dawnbringer Vanguard, tap target creature an opponent controls.

Flying, haste

Choose one —
• Look at the top five cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in any order.
• Destroy target creature with flying.