Masters Edition III

Takklemaggot

Enchant creature
At the beginning of the upkeep of enchanted creature's controller, put a -0/-1 counter on that creature.
When enchanted creature is put into a graveyard, that creature's controller chooses a creature that Takklemaggot could enchant. If he or she does, return Takklemaggot to the battlefield under your control attached to that creature. If he or she doesn't, return Takklemaggot to the battlefield under your control as a non-Aura enchantment. It loses "enchant creature" and gains "At the beginning of that player's upkeep, Takklemaggot deals 1 damage to him or her."

Enchant creature
At the beginning of the upkeep of enchanted creature's controller, put a -0/-1 counter on that creature.
When enchanted creature dies, that creature's controller chooses a creature that Takklemaggot could enchant. If the player does, return Takklemaggot to the battlefield under your control attached to that creature. If they don't, return Takklemaggot to the battlefield under your control as a non-Aura enchantment. It loses "enchant creature" and gains "At the beginning of that player's upkeep, Takklemaggot deals 1 damage to that player."

Chronicles Foreign Black Border

Chronicles

During target creature's controller's upkeep, put a -0/-1 counter on that creature. If the creature is put into the graveyard, its controller chooses a new target creature for Takklemaggot. If there are no legal targets, Takklemaggot becomes an enchantment; during his or her upkeep, Takklemaggot deals 1 damage to the controller of the last creature Takklemaggot enchanted. Control of Takklemaggot does not change when its target changes or when it becomes an enchantment.

Legends

Put a 0/-1 counter on target creature during its controller's upkeep. If the creature is placed in the graveyard, its controller chooses a new target for Takklemaggot. If there are no legal targets, Takklemaggot becomes an enchantment and does 1 damage to the controller of the last creature Takklemaggot was on, during his or her upkeep. Takklemaggot does not revert to a creature enchantment even if other creatures are afterwards brought into play.