Spirit of the Titan

When Spirit of the Titan enters the battlefield, it
is an enchantment and not a creature.
When Spirit of the Titan enters the battlefield,
choose a creature type.
{1}{w}{u} Spirit of the Titan becomes a creature
with base power and toughness 5/4.
{2}{b} Target creature gains -2/-2 until end of
turn.
{2}{w} All creature of the chosen type gain +3/+3
until end of turn