Your search for "Mitotic Slime 67" revealed the following:
Mitotic Slime (M11) from Magic 2011, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Raymond Swanland Card Text:When Mitotic Slime is put into a graveyard from the battlefield, put two 2/2 green Ooze creature tokens onto the battlefield....
Mitotic Slime (NCC) from New Capenna Commander, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Raymond Swanland Card Text:When Mitotic Slime dies, create two 2/2 green Ooze creature tokens. They have "When this creature dies, create two 1/1...
Mitotic Slime (PC2) from Planechase 2012, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Raymond Swanland Card Text:When Mitotic Slime is put into a graveyard from the battlefield, put two 2/2 green Ooze creature tokens onto the battlefield....
Mitotic Slime - Game Day Promo (Foil) (PM11) from Magic 2011, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Ron Spencer Card Text:When Mitotic Slime is put into a graveyard from the battlefield, put two 2/2 green Ooze...
Mitotic Slime (PCA) from Planechase Anthology, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Raymond Swanland Card Text:When Mitotic Slime dies, create two 2/2 green Ooze creature tokens. They have "When this creature dies, create two 1/1 green...
Big Slime // Mitotic Slime - Stardew Valley: A Flicker in the Deep (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Brandon L. Hunt Card Text: Secret Lair x Stardew Valley: A Flicker...
Big Slime // Mitotic Slime - Stardew Valley: A Flicker in the Deep (Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Brandon L. Hunt Card Text: Secret Lair x Stardew Valley: A...