Skippy, the Talking Gun

When Skippy, the Talking Gun enters the battlefield, choose between deathtouch or lifelink.
Equipped creature has the chosen capacity and "whenever a creature that was dealt damage by
this creature dies, change the capacity given by
Skippy, the Talking Gun (if you chose deathtouch,
the creature now has lifelink, or the other way
around).
Equip Legendary creature {2}