Brothers Yamazaki is a uncommon Legendary Creature — Human Samurai card from Champions of Kamigawa (CHK), collector number 160a. Current market price: $0.15 (foil $3.60), TCGplayer market prices via Scryfall.
Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.) If there are exactly two permanents named Brothers Yamazaki on the battlefield, the "legend rule" doesn't apply to them. Each other creature named Brothers Yamazaki gets +2/+2 and has haste.