Viktor, Herald of the Arcane (Riftbound Organized Play Promotional Cards, Foil) fell $15.02 to $25.89 on Oct 7, 2026, the biggest one-day dollar move among Riftbound singles, per TickerMint.
Source: TickerMint (tickermint.cards), Oct 7, 2026. https://tickermint.cards/wire/2026-10-07-riftbound-dollar-move