JOHN, the Eradicator

At the beginning of combat on your turn,
create a token that's a copy of target noncreature artifact you control, except its name is JOHN'S Eradicator and it's a 4/4 Construct artifact
creature in addition to it's other types. It
gains haste until end of turn. Sacrifice it at the beginning of the next end step.
SHRED EM, SHRED EM, SHRED EM,
SHRED EM, SHRED EMMMM!