Yuumi, the Magical Cat

Allegiance - Bandle City (This spell costs {1} less to
cast for each creatures with Allegiance - Bandle City
you control.)
{1}{u}: Yuumi, the Magical Cat becomes an Aura
spell with enchant creature. It becomes a
creature again if it's not attached to a creature.
Enchanted creature gets +0/+1 and can't be the
target of opponent's creatures abilities.