Realtor, of the blue moon

When Realtor, of the blue moon enters the
battlefield target two creatures on the
battlefield then Realtor,
of the blue moon power and toughness to
the combined power
and toughness of the two targeted creatures
the Realtor, of the blue moon
also may gain the abilities of one of the
two targeted creatures.
{t}{u}: Exile one creature you control then
target one card in a players exile and summon
that onto the battlefield tapped.