Ancestral Mask

Enchant creature
Enchanted creature gets +2/+2 for each other enchantment on the battlefield.

Bestial Bloodline

Enchant creature
Enchanted creature gets +2/+2.
{4}{G}: Return Bestial Bloodline from your graveyard to your hand.

A Tale for the Ages

Enchanted creatures you control get +2/+2.

Yenna, Redtooth Regent

{2}, {T}: Choose target enchantment you control that doesn't have the same name as another permanent you control. Create a token that's a copy of it, except it isn't legendary. If the token is an Aura, untap Yenna, Redtooth Regent, then scry 2. Activate only as a sorcery.