History of CR 608.3d

Every distinct wording since 2010, newest first.

April 17, 2026 · Secrets of Strixhaven
If the object that’s resolving is a mutating creature spell, the object representing that spell merges with the permanent it is targeting (see rule 730, “Merging with Permanents”).
July 25, 2025 · Edge of Eternities
If the object that’s resolving is a mutating creature spell, the object representing that spell merges with the permanent it is targeting (see rule 729, “Merging with Permanents”).
April 4, 2025 · Tarkir: Dragonstorm
If the object that’s resolving is a mutating creature spell, the object representing that spell merges with the permanent it is targeting (see rule 728, “Merging with Permanents”).
March 8, 2024 · Fallout
If the object that’s resolving is a mutating creature spell, the object representing that spell merges with the permanent it is targeting (see rule 727, “Merging with Permanents”).
February 2, 2024 · Murders at Karlov Manor
If the object that’s resolving is a mutating creature spell, the object representing that spell merges with the permanent it is targeting (see rule 726, “Merging with Permanents”).
April 14, 2023 · March of the Machine
If the object that’s resolving is a mutating creature spell, the object representing that spell merges with the permanent it is targeting (see rule 725, “Merging with Permanents”).
November 18, 2022 · The Brothers’ War
If the object that’s resolving is a mutating creature spell, the object representing that spell merges with the permanent it is targeting (see rule 726, “Merging with Permanents”).
October 7, 2022 · Unfinity
If the object that’s resolving is a mutating creature spell, the object representing that spell merges with the permanent it is targeting (see rule 725, “Merging with Permanents”).
June 10, 2022 · Commander Legends: Battle for Baldur’s Gate
If the object that’s resolving is a mutating creature spell, the object representing that spell merges with the permanent it is targeting (see rule 724, “Merging with Permanents”).
September 25, 2020 · Zendikar Rising
If a permanent spell resolves but its controller can’t put it onto the battlefield, that player puts it into its owner’s graveyard.
February 1, 2010 · Worldwake
rule 608.3d not present in this release