(2/7/2025) If an effect needs to know what a player's speed is and that player doesn't have a speed, their speed is considered 0
Armaggon, Future Shark Captain Howler, Sea Scourge Jaws, Relentless Predator Shabraz, the Skyshark (+ Brallin, Skyshark Rider) Shark Shredder, Killer Clone There are five legendary sharks that can be your commander as of Secrets of Strixhaven , but none of them have abilities that care about other sharks
There's wide latitude for what counts as the five colors of mana
Cards like Condemn and Martial Coup may be outmoded or whatever, but theyre still honestly fine cards for most decks
If you want to play a longer more mid-to-lategame style deck in Mono Red that interacts more with the table, well, it gets more challenging because it makes Mono Red's inherent weaknesses more glaring: subpar card draw and ramp, subpar answers to creatures, minimal options for enchantment removal, commander protection, and recursion, things that get more pronounced as the game progresses