Mardu Brimaz Aggro Manabase: 2 Swamp 1 Mountain 1 Plains This one obviously uses more tapped lands but can support both Brimaz and Heros Downfall, in addition to having red mana for sweet gold cards
Commander Masters TypeLegendary Planeswalker Guff Collector Number706 Raritymythic ArtistMatt Stewart At the beginning of your end step, put a loyalty counter on another target planeswalker you control
Duskmourn added a damage-multiplier, which I gushed about in my Red Set Review, but the Commander Deck one-upped it by adding a hasty, first-striking mana-doubler on a stick that damages players for tapping lands
My first instinct is to throw it into a Samurai and/or Warrior deck and combo it with Raiyuu, Storms Edge, but Commander has a lot of potential ways to keep extending a turn with more phases, and any devoted red player should consider having it in their deck
The "death by a thousand cuts" strategy plays well with our small creatures and recursion package