+1 create a colorless artifact token named 乙金源(Etherium Source,I don't know the correct translation.) which has : tap:sacrifice this and add one mana of any color into your mana pool.
-2 target creature get +x/-x until end of turn which x is the number of artifacts you control.
-7 you get an emblem with "at the beginning of your combat phase,target artifact you control becomes a 5/5 artifact creature."