Pyroblast has very few targets here, since Sneaky Snacker is the only blue card in their deck, so it stays in the sideboard. Red Elemental Blast is not in our board. Loyal Sentry is a one-time trade: when it blocks a creature, it destroys that creature and itself. That is useful tempo against their ground creatures like Guttersnipe, Kessig Flamebreather and Voldaren Epicure. Crypt Incursion exiles only the creature cards from their graveyard and gains 3 life for each one. That gets rid of a recurring Sneaky Snacker and buys life against burn. It does nothing against Faithless Looting flashback, since that is a sorcery, and it doesn't stop their instants and sorceries from triggering Guttersnipe or Kessig Flamebreather. Keep all four Skred as removal for their creatures and both Dispel to counter their instant burn such as Lightning Bolt and Fiery Temper. Ride's End and Fanged Flames are too slow/narrow against a deck with few relevant creature targets worth that mana investment.