When Jirina Kudro enters, create a 1/1 white Human Soldier creature token for each time you've cast a commander from the command zone this game.
Other Humans you control get +2/+0.
Jirina Kudro leads a Mardu Humans tribal aggro deck that floods the board with Human tokens and beats down hard with a +2/+0 anthem. You curve out cheap Humans, deploy go-wide enablers, then close fast with combat damage backed by Jirina's repeated token bursts each time she re-enters from the command zone.
Built-in anthem (+2/+0) makes even small Humans hit surprisingly hard
Generates a token army that grows every time you recast her from the command zone
Mardu colors give access to the best removal, board wipes, and aggressive payoffs
Wide Human tribal support across W/B/R for explosive starts
Anthem and tokens are vulnerable to board wipes, which Mardu aggro fears
Falls behind big-mana ramp and combo decks if the game goes long
Heavy reliance on the commander for the anthem makes her a removal magnet
Limited card advantage compared to blue/green decks without dedicated draw engines
Massively rewards Human tribal density and can end games out of nowhere.
Add token doublers (Anointed Procession, Mondrak), payoffs (Cathars' Crusade, Coat of Arms), and a sacrifice package (Blood Artist, Zulaport Cutthroat, Skullclamp) so you have inevitability beyond combat. Improve the mana with fetches, shocks, and Mardu duals, and add cheap protection like Heroic Intervention and Boros Charm to survive the board wipes this strategy fears most. Finally, lean on recursive token engines and anthem redundancy so a single removal spell on Jirina doesn't collapse the deck.