Other creatures have base power and toughness 2/2 and are Bears in addition to their other types.
Kudo flattens the board to 2/2: your tiny tokens and mana-dorks get pumped up while opposing fatties get cut down to size. You flood the battlefield with cheap creatures and tokens, all of which become 2/2 Bears, then close with anthems, +1/+1 counters, or a single overrun effect. Early game you ramp and develop; mid-game you go wide; late game one pump spell ends it.
Acts as a permanent anthem for 1/1 tokens and mana creatures, turning a swarm into 2/2 beaters
Asymmetric removal-on-a-stick: shrinks opposing bombs, big creatures, and giant tokens to a manageable 2/2
Cheap two-mana commander that hits the battlefield fast and impacts the board immediately
Counters stack on top of the 2/2 base, so +1/+1 counter and token strategies scale hard
GW gives access to the format's best ramp, token producers, and overrun finishers
The static is symmetrical for token decks — opponents' 1/1 swarms also become 2/2
Does almost nothing on its own; needs a developed board to matter
Vulnerable to board wipes that punish a go-wide plan
Dies to spot removal and resets your anthem, exposing your now-bigger creatures
No card advantage or protection built in; can stall against control and lifegain walls
With everything a 2/2, you can't draw two from sacrifices off the base body alone—pair with counter-removal or use it on counter-buffed creatures for value; great with token fodder when toughness drops.
Add fast mana (Sol Ring, Birds of Paradise, Esper Sentinel-style draw is off-color so lean on Smothering Tithe and Mirari's Wake) and prioritize token doublers plus a couple of overrun effects as redundant finishers. Include commander protection like Heroic Intervention, Boots/Greaves, and a few asymmetric pieces that punish opponents' shrunken boards. Tighten the curve and add tutors (Worldly Tutor, Eladamri's Call) to find your Craterhoof or Cathars' Crusade more consistently.