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