Protection from white and from black
: Stillmoon Cavalier gains flying until end of turn.
: Stillmoon Cavalier gains first strike until end of turn.
: Stillmoon Cavalier gets +1/+0 until end of turn.

Reach
When Stingerfling Spider enters the battlefield, you may destroy target creature with flying.

Put three -1/-1 counters on target creature with flying.
Cycling (, Discard this card: Draw a card.)

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.)

As an additional cost to cast this spell, exile a creature card from your graveyard.
Flying

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

Flying, vigilance
Players can't untap more than one creature during their untap steps.

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

Return target creature with converted mana cost X to its owner's hand. You create X 1/1 blue Faerie creature tokens with flying.

: Target creature you control with toughness less than Stone Giant's power gains flying until end of turn. Destroy that creature at the beginning of the next end step.

Stone Spirit can't be blocked by creatures with flying.

Flash (You may cast this spell any time you could cast an instant.)
Flying
When Stonecloaker enters the battlefield, return a creature you control to its owner's hand.
When Stonecloaker enters the battlefield, exile target card from a graveyard.

: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)
When Stoneshock Giant becomes monstrous, creatures without flying your opponents control can't block this turn.

Flying

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

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.

Flying
Raid — Storm Fleet Aerialist enters the battlefield with a +1/+1 counter on it if you attacked this turn.

: Tap target creature with flying.

Create X 1/1 white Pegasus creature tokens with flying, where X is your life total.

Flying
: Storm Spirit deals 2 damage to target creature.