Shock

Winged Words

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

Island

Warden of Evos Isle

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

Mountain

Lightning Strike

Lightning Strike deals 3 damage to any target.

Enigma Drake

Flying
Enigma Drake's power is equal to the number of instant and sorcery cards in your graveyard.

Negate

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.

Tide Skimmer

Flying
Whenever you attack with two or more creatures with flying, draw a card.

Sprite Dragon

Flying, haste
Whenever you cast a noncreature spell, put a +1/+1 counter on Sprite Dragon.

Uncaged Fury

Target creature gets +1/+1 and gains double strike until end of turn. (It deals both first-strike and regular combat damage.)