Obscurity
UR Aggro
Mainboard(56 cards)
Creature(7)

Slickshot Show-Off×4
{1}{R}Creature — Bird Wizard
Valley Floodcaller×3
{2}{U}Creature — Otter WizardInstant(11)

Bounce Off×2
{U}Instant
Burst Lightning×4
{R}Instant
Into the Flood Maw×1
{U}Instant
Opt×4
{U}InstantSorcery(14)

Boomerang Basics×4
{U}Sorcery — Lesson
Crash Through×3
{R}Sorcery
Sleight of Hand×4
{U}Sorcery
Stock Up×3
{2}{U}SorceryEnchantment(4)

Stormchaser's Talent×4
{U}Enchantment — ClassLand(20)

Island×4
Basic Land — Island
Multiversal Passage×4
Land
Riverpyre Verge×4
Land
Spirebluff Canal×4
Land
Steam Vents×4
Land — Island MountainSideboard(15 cards)
Planeswalker(3)

Ral, Crackling Wit×3
{2}{U}{R}Legendary Planeswalker — RalInstant(7)

Disdainful Stroke×1
{1}{U}Instant
Negate×2
{1}{U}Instant
Sear×2
{1}{R}Instant
Spell Pierce×2
{U}InstantSorcery(2)

Pyroclasm×2
{1}{R}SorceryArtifact(3)

Soul-Guide Lantern×2
{1}Artifact
Torpor Orb×1
{2}Artifact