Kayle, Justified (Champion) from Riftbound Organized Play Promotional Cards (Foil) fell 17.9% to $60.47 on Oct 30, 2026, the biggest one-day drop among Riftbound singles priced $20 or more, per TickerMint.
Source: TickerMint (tickermint.cards), Oct 30, 2026. https://tickermint.cards/wire/2026-10-30-riftbound-top-decliner