jankyb
UWx Control
Mainboard(56 cards)
Creature(4)

Loch Mare×1
{1}{U}Creature — Horse Serpent
Murktide Regent×3
{5}{U}{U}Creature — DragonInstant(15)

Brainstorm×4
{U}Instant
Force of Negation×2
{1}{U}{U}Instant
Force of Will×4
{3}{U}{U}Instant
Spell Pierce×1
{U}Instant
Swords to Plowshares×4
{W}InstantSorcery(14)

Flow State×4
{1}{U}Sorcery
Ponder×4
{U}Sorcery
Preordain×2
{U}Sorcery
Prismatic Ending×4
{X}{W}SorceryEnchantment(4)

Back to Basics×2
{2}{U}Enchantment
Dress Down×2
{1}{U}EnchantmentLand(19)

Flooded Strand×4
Land
Island×4
Basic Land — Island
Mountain×1
Basic Land — Mountain
Plains×2
Basic Land — Plains
Prismatic Vista×4
Land
Scalding Tarn×2
Land
Tundra×1
Land — Plains Island
Volcanic Island×1
Land — Island MountainSideboard(15 cards)
Creature(4)

Containment Priest×2
{1}{W}Creature — Human Cleric
Lavinia, Azorius Renegade×2
{W}{U}Legendary Creature — Human SoldierInstant(11)

Consign to Memory×4
{U}Instant
Fire Magic×2
{R}Instant
Force of Negation×1
{1}{U}{U}Instant
Hydroblast×1
{U}Instant
Pyroblast×2
{R}Instant
Red Elemental Blast×1
{R}Instant