53 cards where the cards can be your commander and it’s legal in PreDH and the color identity is R

Tuktuk the Explorer (Double Masters #149)
Ishi-Ishi, Akki Crackshot (Betrayers of Kamigawa #110)
Mannichi, the Fevered Dream (Betrayers of Kamigawa #112)
Patron of the Akki (Betrayers of Kamigawa #115)
Slobad, Goblin Tinkerer (Commander 2016 #133)
Fumiko the Lowblood (Commander 2020 #152)
Bosh, Iron Golem (Commander 2021 #237)
Ben-Ben, Akki Hermit (Champions of Kamigawa #157)
Brothers Yamazaki (Champions of Kamigawa #160a)
Kumano, Master Yamabushi (Champions of Kamigawa #176)
Myojin of Infinite Rage (Champions of Kamigawa #181)
Shimatsu the Bloodcloaked (Champions of Kamigawa #186)
Ryusei, the Falling Star (Commander Legends: Battle for Baldur's Gate #806)
Urabrask the Hidden (Commander Legends: Battle for Baldur's Gate #811)
Ashling the Pilgrim (Commander Masters #205)
Godo, Bandit Warlord (Commander Masters #227)
Heartless Hidetsugu (Commander Masters #231)
Kazuul, Tyrant of the Cliffs (Commander Masters #237)
Rakka Mar (Commander Masters #247)
Rorix Bladewing (Commander Masters #251)
Squee, Goblin Nabob (Commander Masters #258)
Lovisa Coldeyes (Duel Decks: Mind vs. Might #34)
Kamahl, Pit Fighter (Duel Decks: Mind vs. Might #39)
Zo-Zu the Punisher (Duel Decks: Mind vs. Might #41)
Ib Halfheart, Goblin Tactician (Duel Decks Anthology: Elves vs. Goblins #43)
Tarox Bladewing (Future Sight #123)
Chandler (Homelands #69)
Joven (Homelands #77)
Kiki-Jiki, Mirror Breaker (Iconic Masters #136)
Jeska, Warrior Adept (Judgment #93)
Márton Stromgald (Masters Edition #104)
Dong Zhou, the Tyrant (Masters Edition III #96)
Lu Bu, Master-at-Arms (Masters Edition III #108)
Hivis of the Scale (Mirage #182)
Telim'Tor (Mirage #197)
Zirilan of the Claw (Mirage #204)
Latulla, Keldon Overseer (Prophecy #95)
Tahngarth, Talruum Hero (Planeshift #74)
Diaochan, Artful Beauty (Portal Three Kingdoms #108)
Ma Chao, Western Warrior (Portal Three Kingdoms #116)
Yuan Shao, the Indecisive (Portal Three Kingdoms #128)
Adamaro, First to Desire (Saviors of Kamigawa #91)
Homura, Human Ascendant // Homura's Essence (Saviors of Kamigawa #103)
Iizuka the Ruthless (Saviors of Kamigawa #104)
Jiwari, the Earth Aflame (Saviors of Kamigawa #107)
Skyfire Kirin (Saviors of Kamigawa #113)
Balthor the Stout (Torment #91)
Starke of Rath (Tempest Remastered #162)
Eron the Relentless (Time Spiral Timeshifted #61)
Norin the Wary (Time Spiral #171)
Akroma, Angel of Fury (Time Spiral Remastered #150)
Jaya Ballard, Task Mage (Time Spiral Remastered #172)
Maraxus of Keld (Weatherlight #111)

Their mind whirled with grand plans, never thinking of what might happen if they got to the end of the list.