This is a mostly Red Control deck that looks to use ramp like Mind Stone to play controlling threats like Glorybringer ahead of curve to take over the game.

Big Red
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Planeswalker (7)
2
Chandra, Awakened Inferno
2
Chandra, Heart of Fire
3
Karn, Scion of Urza
Creature (12)
4
Bonecrusher Giant
4
Glorybringer
4
Rekindling Phoenix
Sorcery (8)
4
Shatterskull Smashing/Shatterskull, the Hammer Pass
4
Thoughtseize
Instant (11)
2
Abrade
3
Hagra Mauling/Hagra Broodpit
4
Spikefield Hazard/Spikefield Cave
2
Valakut Awakening/Valakut Stoneforge
Artifact (6)
2
Guardian Idol
4
Mind Stone
Land (16)
4
Blood Crypt
3
Canyon Slough
4
Dragonskull Summit
5
Mountain
Cards 60
Sideboard (15)
1
Bedevil
1
Chandra, Awakened Inferno
1
Chandra, Heart of Fire
3
Grafdigger's Cage
3
Heartless Act
3
Sweltering Suns
1
Ugin, the Ineffable
2
Vraska's Contempt