Black Morningstar

When Black Morningstar enters the battlefield
or another creature enters the battlefield under
your control, choose target creature you control.
You may pay life equal to that creature's mana
value. If you do, attach Black Morningstar to it.
Equipped creature has menace, ward - Pay X
life, and gets +X/+X, where X is its mana value.
Equip {2}{b}{b}