Arch-Hieromancer Aeldar

Whenever a creature enters the battlefield under
your opponent's control, you may have a
non-creature enchantment you control become a
copy of that creature, except it's still an
enchantment and becomes an illusion in addition
to it's other types.
Illusions you control gain "{w/u},{t}: Detain target creature with the same name as this creature."
"Hold right there." - Aeldar