Metal Energy said:Damage done by attacks to the Pokemon that Metal Energy is attached to is reduced by 10 (after applying Weakness and Resistance). Ignore this effect if the Pokemon that Metal Energy is attached to isn't {M}. Metal Energy provides {M} Energy. (Doesn't count as a basic Energy card.)
Old Metal Energy said:Damage done to the Pokemon Metal Energy is attached to is reduced by 10 (after applying Weakness and Resistance). If the Pokemon Metal Energy is attached to isn't {M}, whenever it damages a Pokemon, reduce that damage by 10 (before applying Weakness and Resistance).
Metal Energy provides {M} Energy. (Doesn't count as a basic Energy card.)
Well, the Old Metal Energy has a different effect compare to New Metal Energy. So, is the Old Metal Energy legal?