3 Underworld Breach
4 Expressive Iteration
4 Lightning Bolt
4 Preordain
4 Mishra's Bauble
4 Unholy Heat
4 Mutagenic Growth
4 Monastery Swiftspear
4 Soul-Scar Mage
4 Slickshot Show-Off
4 Dragon's Rage Channeler
2 Scalding Tarn
2 Sacred Foundry
2 Wooded Foothills
2 Arid Mesa
3 Bloodstained Mire
3 Steam Vents
3 Mountain
Sideboard
4 Spell Pierce
4 Prismatic Ending
2 Path to Exile
4 Wear/Tear
1 Jegantha, the Wellspring