Skippy, the Talking Gun

When Skippy, the Talking Gun enters the battlefield, choose between deathtouch or lifelink.
Equipped creature has the chosen ability and
gains "Whenever this creature deals damage to a
creature an opponent controls, switch the ability
given by Skippy, the Talking Gun." (if it has deathtouch, it gains lifelink, or the other way around)
Equip {2}
Equip Legendary creature {1}