10 cards where (the card types include “creature” and the card types include “legendary”) and the mana value <= 3 and the block is “chk” and the rarity is equal to uncommon

Brothers Yamazaki (Champions of Kamigawa #160a)
Budoka Pupil // Ichiga, Who Topples Oaks (Betrayers of Kamigawa #122)
Bushi Tenderfoot // Kenzo the Hardhearted (Champions of Kamigawa #2)
Callow Jushi // Jaraku the Interloper (Betrayers of Kamigawa #31)
Cunning Bandit // Azamuki, Treachery Incarnate (Betrayers of Kamigawa #99)
Faithful Squire // Kaiso, Memory of Loyalty (Betrayers of Kamigawa #3)
Hired Muscle // Scarmaker (Betrayers of Kamigawa #69)
Nezumi Graverobber // Nighteyes the Desecrator (Champions of Kamigawa #129)
Orochi Eggwatcher // Shidako, Broodmistress (Champions of Kamigawa #233)
Student of Elements // Tobita, Master of Winds (Champions of Kamigawa #93)

Though this query has ended, its relics still slumber in New Argive.