Red Elemental Blast stays boarded out. Sneaky Snacker is a blue card, but a Mountains-only opponent never casts it, and destroying it just puts it back in the graveyard, where it returns when they draw a third card in a turn. Thraben Charm's graveyard-exile mode is the real answer to Sneaky Snacker. Exiling their graveyard means it can't come back from the graveyard on a third draw, while the damage mode can snipe Voldaren Epicure or a token. Standard Bearer is a cheap early blocker, and while it is on the battlefield the opponent's burn spells and abilities must target it if able. That soaks up Lightning Bolt, Fiery Temper, Lava Dart and the like instead of letting them hit our key creatures or our face. Cut Loran's Escape and some Prismatic Strands since this matchup rewards removing recurring threats and drawing burn away over protecting one permanent.