Grixis Death's Shadow
A Modern deck, by Dylan Donegan
1st place at a tournament in Baltimore, Maryland, United States on 2017-11-18

Maindeck:

Creatures
4 Death's Shadow
2 Gurmag Angler
4 Snapcaster Mage
4 Street Wraith

Instants
1 Dismember
4 Fatal Push
1 Kolaghan's Command
4 Opt
2 Stubborn Denial
1 Temur Battle Rage
1 Terminate
4 Thought Scour

Legendary Creatures
2 Tasigur, the Golden Fang

Sorceries
2 Inquisition of Kozilek
2 Serum Visions
4 Thoughtseize

Basic Lands
1 Island
1 Swamp

Lands
1 Blood Crypt
4 Bloodstained Mire
4 Polluted Delta
4 Scalding Tarn
1 Steam Vents
2 Watery Grave

Sideboard:
1 Engineered Explosives
2 Young Pyromancer
2 Ceremonious Rejection
1 Kolaghan's Command
1 Kozilek's Return
2 Stubborn Denial
1 Temur Battle Rage
2 Liliana of the Veil
1 Liliana, the Last Hope
1 Collective Brutality
1 Pyroclasm