Helm of the Gods — ruling 1

If you cast an Aura spell targeting a permanent controlled by an opponent, you still control that Aura. It will count toward the bonus given by Helm of the Gods.

Helm of the Gods : règles, fonctionnement et interactions (MTG)

Helm of the Gods is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

Equipped creature gets +1/+1 for each enchantment you control. Equip (: Attach to target creature you control. Equip only as a sorcery.)

How it works : Helm of the Gods

Original English text — Wizards of the Coast / Scryfall

#1June 22, 2015· Wizards of the Coast
If you cast an Aura spell targeting a permanent controlled by an opponent, you still control that Aura. It will count toward the bonus given by Helm of the Gods.
No other card is named in this ruling.