Strategies that rely on drawing heavy amounts of cards also win from cost reduction, especially impulse draws from cards like Escape to the Wilds and Commune with Lava that allow you to draw tons of cards
As long as your lifelink creature deals damage, you will gain that much life
Besides being able to target the player, the only advantage Lightning Strike has over Lava Coil is being an instant which, admittedly, is very relevant but no red deck should go without four Lava Coil in the 75
Ravos, Soultender I dont know if Ravos, Soultender would make it as a standalone commander, but partner lets you sandbag Ravos until you have no other options
Red Gratuitous Violence Guttersnipe Impact Tremors Abrade Ball Lightning Dragonmaster Outcast Harmless Offering Lathliss, Dragon Queen Redcap Gutter-Dweller Stromkirk Noble Taurean Mauler 2 Crackling Cyclops Goblin Negotiation Strongbox Raider 4 Burst Lightning Fanatical Firebrand 2 Heartfire Immolator Hidetsugu's Second Rite Seismic Rupture Thrill of Possibility 2 Dragon Fodder Bolt Bend Crash Through Dragon Mage 2 Ghitu Lavarunner Giant Cindermaw Hoarding Dragon Mindsparker Obliterating Bolt Ravenous Giant Viashino Pyromancer Gratutious Violence, Guttersnipe, and Impact Tremors are in traditional foil