REDU format ruling
Homunculus the Alchemic Being

Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)Once per turn: You can change the Attribute of this card.
Rulings
- This monster’s effect is a Ignition Effect.
- If you use this monster’s effect to change its Attribute, it remains changed as long as it remains face-up on the field, or until it is changed again.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the REDU forum — sourced change requests get reviewed.