Harold and Bob, First Numens (Fallout)

Legendary Creature Ñ Treefolk Mutant - Reach, vigilance
When Harold and Bob dies, if it was a creature, return it to the battlefield. It's an Aura enchantment with enchant Forest you control and "Enchanted Forest has '{T}: Add three mana of any one color. You get two rad counters.'" Harold and Bob loses all other abilities.