2 Underworld Breach
2 Unholy Heat
2 Prismatic Ending
3 Mutagenic Growth
4 Lightning Bolt
4 Mishra's Bauble
4 Lava Dart
4 Expressive Iteration
4 Preordain
2 Sprite Dragon
4 Soul-Scar Mage
4 Monastery Swiftspear
4 Dragon's Rage Channeler
1 Snow-Covered Mountain
1 Mountain
2 Sacred Foundry
2 Bloodstained Mire
3 Steam Vents
4 Arid Mesa
4 Wooded Foothills
Sideboard
3 Spell Pierce
2 Wear/Tear
3 Chalice of the Void
2 Path to Exile
1 Jegantha, the Wellspring
2 Alpine Moon
2 Prismatic Ending