Mtg Modern Burn Primer. Goblin guide should always be your turn 1 if you're on the play and you hold a guide. Spikefield hazard is a ping or doubles as a land, play with fire is strictly better shock, sacred fire is walmart lightning helix, roil eruption is our bread and butter burn that’s been performing much better than anticipated, and magic missile is a nice hedge against small creatures while still able to go face.
Burn is an easy deck to play, very difficult to master. Burn primer w/sideboard guide (pptq update) modern aggro burn primer rgw (naya) taser97 type ordering land (20) 4x arid mesa 3x bloodstained mire 3x inspiring vantage 2x mountain 3x sacred foundry 1x stomping ground 4x wooded foothills instant (19) 4x boros charm 4x lightning bolt 4x lightning helix 3x searing blaze 4x skullcrack creature (13) You don't need to sacrifice anything to include the companion, which is part of the reason the deck has become so powerful.