As Frostboil Snarl enters the battlefield, you may reveal an Island or Mountain card from your hand. If you don't, Frostboil Snarl enters the battlefield tapped. {T}: Add {U} or {R}.
![Frostboil Snarl - [Foil, Extended Art] Strixhaven: School of Mages (STX)](http://cdn.shopify.com/s/files/1/0147/6729/2516/products/ae79f483-88c5-461c-a7c5-6b898317b1e3_fc957a13-7312-4926-82f4-d0b5d7b67710_{width}x.jpg?v=1624657423)
![Frostboil Snarl - [Foil, Extended Art] Strixhaven: School of Mages (STX)](http://cdn.shopify.com/s/files/1/0147/6729/2516/products/ae79f483-88c5-461c-a7c5-6b898317b1e3_fc957a13-7312-4926-82f4-d0b5d7b67710_530x@2x.jpg?v=1624657423)