This is a Grixis Midrange deck that looks to interact with cards like Thoughtseize / Silumgar’s Scorn and then close the game out quickly with dragons like Glorybringer.
Planeswalkers (3)
3
Chandra, Torch of Defiance
Creatures (14)
4
Brazen Borrower
2
Murderous Rider
3
Nicol Bolas, the Ravager
4
Glorybringer
1
Dragonlord Silumgar
Spells (17)
2
Fatal Push
4
Thoughtseize
3
Wild Slash
2
Dreadbore
4
Silumgar's Scorn
2
Anger of the Gods
Lands (26)
3
Blood Crypt
1
Choked Estuary
3
Dragonskull Summit
1
Haven of the Spirit Dragon
1
Island
1
Mountain
2
Mutavault
2
Spirebluff Canal
3
Steam Vents
2
Sulfur Falls
1
Temple of Deceit
1
Temple of Epiphany
1
Wandering Fumarole
4
Watery Grave
Cards (60)
Sideboard (15)
1
Duress
1
Stubborn Denial
2
Abrade
1
Dreadbore
2
Noxious Grasp
2
Sorcerous Spyglass
2
Anger of the Gods
1
Kolaghan's Command
2
Unmoored Ego
1
Dragonlord Silumgar