8 cards where the text includes “legend rule”

Brothers Yamazaki (Champions of Kamigawa #160a)
Cadric, Soul Kindler (Dominaria United Commander #10)
Mirror Box (Kamigawa: Neon Dynasty #250)
Mirror Gallery (Betrayers of Kamigawa #154)
Sakashima of a Thousand Faces (Commander Legends #89)
Sliver Gravemother (Commander Masters #707)
Syr Joshua and Syr Saxon (Alchemy: Wilds of Eldraine #27)
The Master, Multiplied (Doctor Who #146)

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