Fanyana, The Soulbinder

Soulbound (You may pair this creature with another unpaired creature when either enters the battlefield.
They remain paired for as long as you control both of
them.)
As long as Fanyana, the Soulbinder is paired with another creature, each of those creatures has
+0/+2, vigilance, lifelink and "{t}: Add {g} or {w} to your mana pool for each enchantment you control."