Reaper's Hellfire

When Reaper's Hellfire enters the battlefield,
search your library for a Reaper or Widowmaker
and add it to your hand. When you play Reaper's
Hellfire, if Reaper is on the battlefield you
may equip it to Reaper. If Reaper's Hellfire is
on the battlefield and Reaper is put on to the battlefield, you may equip Reaper's Hellfire
to Reaper. Equip {4}: Equipped Creature gains
Wither, If Reaper's Hellfire is equipped to
Reaper, you may sacrifice Reaper's Hellfire and
activate Reaper's Ult.