4 Deafening Clarion
4 Chemister's Insight
2 Niv-Mizzet, Parun
2 Expansion
3 Crackling Drake
4 Sinister Sabotage
1 Cleansing Nova
1 Seal Away
3 Teferi, Hero of Dominaria
4 Sulfur Falls
4 Clifftop Retreat
2 Essence Scatter
4 Glacial Fortress
1 Negate
4 Steam Vents
4 Sacred Foundry
1 Mountain
5 Island
3 Syncopate
4 Opt

Sideboard
1 Niv-Mizzet, Parun
1 Justice Strike
3 Legion Warboss
1 Invoke the Divine
3 Seal Away
1 Settle the Wreckage
2 Star of Extinction
1 Spell Pierce
2 Negate