[BUDGET] Legacy competitive budget deck buildin!

[Pich]

Hi guys ! I'm bored to play Boros / Burn and i don't have a lot of cards..
What would you suggest to play with that list of cards that i own ?

Thanks for advices !
:D


4 Lightning Bolt
4 Chain Lightning
4 Rift Bolt
4 Lava Spike
4 Keldon Marauders
3 Grim Lavamancer
3 Fireblast
4 Magma Jet
2 Lightning Helix
3 Hellspark Elemental
3 Blood Moon
3 Vexing Shusher
4 Volcanic Fallout
1 Kataki's War Wage
4 Steppe Lynx
4 Path To Exile
4 Swords to Plowshares
4 Jotun Grunt
4 Savannah Lions
3 Isamaru, Hound Of Konda
4 Soltari Priest
4 Soltari Monk
4 Silver Knight
3 Knight Of The Holy Nimbus
3 Obilivion Ring
3 Serra Avenger
4 Flagstones Of Trokair
4 Ghostquarters
4 Sacred Foundry
2 Stomping Ground
4 Plateau
4 Wooded Foothills
3 Arid Mesa
1 Windswept Heath
2 Marsh Flats
4 Bloodstained Mires
4 River Boa
4 Rancor
4 Kavu Predator
4 Quirion Ranger

My budget to buy cards : 100 $