Warden of Evos Isle

Flying
Creature spells with flying you cast cost {1} less to cast.

Cynette, Jelly Drover

When Cynette enters or dies, create a 1/1 blue Jellyfish creature token with flying.
Creatures you control with flying get +1/+1.

Island

Uncomfortable Chill

Creatures your opponents control get -2/-0 until end of turn.
Draw a card.

Thriving Isle

This land enters tapped. As it enters, choose a color other than blue.
{T}: Add {U} or one mana of the chosen color.

Waterkin Shaman

Whenever a creature you control with flying enters, this creature gets +1/+1 until end of turn.

Nightveil Sprite

Flying
Whenever this creature attacks, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Windreader Sphinx

Flying
Whenever a creature with flying attacks, you may draw a card.

Aerial Guide

Flying
Whenever this creature attacks, another target attacking creature gains flying until end of turn.

Starlight Snare

Enchant creature
When this Aura enters, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

Gust of Wind

This spell costs {2} less to cast if you control a creature with flying.
Return target nonland permanent you don't control to its owner's hand.
Draw a card.

Winged Words

This spell costs {1} less to cast if you control a creature with flying.
Draw two cards.

Serpentine Ambush

Until end of turn, target creature becomes a blue Serpent with base power and toughness 5/5.