Mono Red Rally is a linear aggro deck that wins by chaining Burning-Tree Emissaries and firing Rally at the Hornburg to give haste to a wide board, often killing on turns 3-4. Your primary concern is protecting Tireless Tribe from their dense removal suite—Lightning Bolt and Galvanic Blast can both kill Tribe before you combo off, so extra copies of Loran's Escape are outstanding here, granting hexproof and indestructible to protect Tireless Tribe or another key permanent from their removal at instant speed. Abandon Attachments is cut since it doesn't meaningfully help you win this race and the mana is better spent holding up protection. Prioritize setting up a protected combo turn rather than trading resources—once Tribe resolves with backup, you should win before their battlefield gets out of hand.