Murtagh, Heir of Misery

Partner with Thorn, Uru baen Calamity (When
this card enters the battlefield, target player may put
Thorn, Uru baen Calamity into their hand from their library, then shuffle.)
When this card enters the battlefield, destroy
target creature and/or take control of target
artifact. Then equip that artifact to Murtagh,
Heir of Misery if target artifact is an equipment.
If I have become my father, I will have my fathers
blade... It is mine by right of birth.. -Eldest