Boros Aggro Pioneer deck

Monastery Swiftspear

Quantity: 4

Slickshot Show-Off

Quantity: 4

Soul-Scar Mage

Quantity: 4

Light Up the Stage

Quantity: 3

Skewer the Critics

Quantity: 4

Boros Charm

Quantity: 4

Lightning Helix

Quantity: 3

Monstrous Rage

Quantity: 4

Play with Fire

Quantity: 4

Wizard's Lightning

Quantity: 2

Battlefield Forge

Quantity: 4

Den of the Bugbear

Quantity: 2

Inspiring Vantage

Quantity: 4

Mountain

Quantity: 1

Ramunap Ruins

Quantity: 3

Sacred Foundry

Quantity: 4

Destroy Evil

Quantity: 2

Jegantha, the Wellspring

Quantity: 1

Magebane Lizard

Quantity: 2

Redcap Melee

Quantity: 2

Rending Volley

Quantity: 2

Rest in Peace

Quantity: 2

Roiling Vortex

Quantity: 2

Tears of Valakut

Quantity: 2