Konami confirms where the erratum of Grandsoil the Elemental Lord is being printed.
Tournament Pack 2018 Volume 1, out starting in January 2018, contains an erratum of Grandsoil the Elemental Lord, to make it “Name Based Once Per Turn”.
18TP-JP101 Grandsoil the Elemental Lord
Level 8 EARTH Beast-Warrior Special Summon Effect Monster
Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by having exactly 5 EARTH monsters in your Graveyard, and cannot be Special Summoned by other ways. You can only use the (1)st effect of “Grandsoil the Elemental Lord” once per turn.
(1) When this card is Special Summoned: You can target 1 monster in either player’s Graveyard; Special Summon that target to your side of the field.
(2) If this card leaves the field, skip the Battle Phase of your next turn.