Sideboarding Like most things mono-red aggro, the sideboard is fairly self explanatory
Anzrag, the Quake-Mole Ares, God of War Bhaal, Lord of Murder Birgi, God of Storytelling Djeru and Hazoret Havi, the All-Father Hazoret the Fervent Hazoret, Godseeker Ilharg, the Raze-Boar Iroas, God of Victory Keranos, God of Storms Klothys, God of Destiny Lady Loki, Agent of Chaos Loki Laufeyson Loki, God of Lies Loki, the Deceiver Mogis, God of Slaughter Ojer Axonil, Deepest Might Purphoros, Bronze-Blooded Purphoros, God of the Forge Purphoros, God of the Forge Sif's Spearmaster Surtr, Fiery Jtun The Locust God The Scorpion God Thor Odinson Thor, Asgard's Avenger Thor, God of Thunder Thor, Guardian of Midgard Tiamat Tom Bombadil Toralf, God of Fury Xenagos, God of Revels
The Final Fantasy versions dont quite have the statlines to dominate developed boards, but they still give every deck a reasonable late-game punch basically for free while reducing the rate of mana and color screw
Healers Hawk, Ruin-Lurker Bat, and Brightblade Stoat can come down early and start buffing your life total so its higher than your starting total by the time Elenda hits the battlefield