Atk by 2 Artistic : Raises allies's Attack and Sp
One thing to be careful of playing against Najeela is the alternate win condition she can fuel
It doesn't copy whether that permanent is tapped or untapped, whether that permanent has any counters on it or any Auras and/or Equipment attached to it, and it doesn't copy any non-copy effects that have changed that permanent's power, toughness, types, color, abilities, or so on
If you are unsure as to whats unreasonable you could look up the card on the Pokmon TCG card database to get a ballpark range of where its HP is usually at
Defiance Band, despite its requirements, is much more reliable and powerful than any of its alternate options as 30 extra damage is impactful at any stage of a match