All permanents on the battlefield. At least one Forest on the battlefield under your control. Pemmin's Aura attached to Arbor Elf. Weirding Wood attached to a Forest you control.
Freed from the Real + Arbor Elf + Weirding Wood
Combo result
Infinite white mana. Infinite black mana. Infinite green mana. Prerequisites
All permanents on the battlefield. At least one Forest on the battlefield under your control. ~1 attached to Arbor Elf. ~2 attached to a Forest you control.