Lyx Messan Manipulator

When Lyx Messan Manipulator enters the battlefield, if its stalk cost was paid, you may
attach target Equipment or Aura you control to
Lyx Messan Manipulator. Then if it's enhanced,
it gains deathtouch until end of turn.
Stalk {1}{u}{u} (At the end of each block step, if there
is an unblocked creature attacking you, you may cast
this card for its stalk cost. If you do, choose an
unblocked creature attacking you. This creature blocks
that creature.)