REDU format ruling
Botanical Lion

Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)This card gains 300 ATK for each Plant-Type monster you control. Control of this face-up card on the field cannot switch.
Rulings
- While this card's ② effect is applying, it cannot be equipped to an opponent's "Relinquished", as that involves changing control of it.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the REDU forum — sourced change requests get reviewed.