Lyra Loreweaver, the Librarian

You may have any number of backgrounds,
as long as they don't share a color.
{3}: Choose an enchantment you control. It becomes a 2/2 creature in addition to it's other types until end of turn.
{10}: Choose any number of enchantments you control. They become 3/1 creatures in addition
to their other types until end of combat.