Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
When Capture Sphere enters the battlefield, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
{1}{U}
Keen Glidemaster
Creature - Human Soldier
{2}{U}: Target creature gains flying until end of turn.
2 /
1
{1}{U}{U}
Kira, Great Glass-Spinner
Legendary Creature - Spirit
Flying
Creatures you control have "Whenever this creature becomes the target of a spell or ability for the first time each turn, counter that spell or ability."
2 /
2
{1}{U}
Lofty Denial
Instant
Counter target spell unless its controller pays {1}. If you control a creature with flying, counter that spell unless its controller pays {4} instead.
{2}{U}
Mistral Singer
Creature - Siren
Flying
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
2 /
2
{3}{U}
Rain of Revelation
Instant
Draw three cards, then discard a card.
{3}{U}{U}
Roaming Ghostlight
Creature - Spirit
Flying
When Roaming Ghostlight enters the battlefield, return up to one target non-Spirit creature to its owner's hand.
3 /
2
{U}
Rookie Mistake
Instant
Until end of turn, target creature gets +0/+2 and another target creature gets -2/-0.
--
Thriving Isle
Land
Thriving Isle enters the battlefield tapped.
As Thriving Isle enters the battlefield, choose a color other than blue.
{T}: Add {U} or one mana of the chosen color.
{3}{U}
Tide Skimmer
Creature - Drake
Flying
Whenever you attack with two or more creatures with flying, draw a card.
2 /
3
{1}{U}
Unsubstantiate
Instant
Return target spell or creature to its owner's hand.
{U}
Wall of Runes
Creature - Wall
Defender (This creature can't attack.)
When Wall of Runes enters the battlefield, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
0 /
4
{4}{U}
Windstorm Drake
Creature - Drake
Flying
Other creatures you control with flying get +1/+0.