Irelia, Fervent (Overnumbered) from Spiritforged (Foil) rose $5.22 to $385.39 on Oct 4, 2026, the biggest one-day dollar move among Riftbound singles, per TickerMint.
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Source: TickerMint (tickermint.cards), Oct 4, 2026. https://tickermint.cards/wire/2026-10-04-riftbound-dollar-move