weekends
Cosmogoyf
Mainboard(60 cards)
Creature(14)

Cosmogoyf×3
{B}{G}Creature — Elemental Lhurgoyf
Elvish Spirit Guide×3
{2}{G}Creature — Elf Spirit
Hatchery Sliver×4
{1}{G}Creature — Sliver
Memnite×4
{0}Artifact Creature — ConstructInstant(12)

Brainstorm×3
{U}Instant
Once Upon a Time×4
{1}{G}Instant
Spoils of the Vault×3
{B}Instant
Worldly Tutor×2
{G}InstantSorcery(3)

Thoughtseize×3
{B}SorceryEnchantment(4)

Leyline of Transformation×4
{2}{U}{U}EnchantmentArtifact(9)

Disruptor Flute×2
{2}Artifact
Serum Powder×4
{3}Artifact
Thrumming Hivepool×3
{6}ArtifactLand(18)

Bayou×1
Land — Swamp Forest
Boseiju, Who Endures×1
Legendary Land
Cavern of Souls×4
Land
Forest×1
Basic Land — Forest
Hedge Maze×1
Land — Forest Island
Misty Rainforest×3
Land
Tropical Island×1
Land — Forest Island
Undercity Sewers×1
Land — Island Swamp
Underground Sea×1
Land — Island Swamp
Verdant Catacombs×4
LandSideboard(15 cards)
Creature(2)

Screeching Sliver×2
{U}Creature — SliverInstant(4)

Artificial Evolution×2
{U}Instant
Surgical Extraction×2
{B/P}InstantSorcery(6)

Cabal Therapy×2
{B}Sorcery
Green Sun's Zenith×2
{X}{G}Sorcery
Massacre×2
{2}{B}{B}SorceryArtifact(2)

Chalice of the Void×2
{X}{X}ArtifactLand(1)

Boseiju, Who Endures×1
Legendary Land