Mystic R4 - Enchantress or Kushala?

Unfortunately, I got one of the worst gems, but it is what it is.
Main focus is BGs, so either attacker or defender is fine, just whichever benefits more.
I will say that Kushala may not need the r4 against cosmics, but against non cosmics like Domino, Korg or , Bullseye the extra rank would definitely be felt, and could lead to faster kills from sp1 spam?
Enchantress is top mystic defender rn (is she top 5 overall?) However, I heard torres will be hard counter
Main focus is BGs, so either attacker or defender is fine, just whichever benefits more.
I will say that Kushala may not need the r4 against cosmics, but against non cosmics like Domino, Korg or , Bullseye the extra rank would definitely be felt, and could lead to faster kills from sp1 spam?
Enchantress is top mystic defender rn (is she top 5 overall?) However, I heard torres will be hard counter
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Comments
Kush will always slip through
Enchantress will always be banned at r4.
Defenders always get the better benefit than attackers for BGS when ranking. The health multiplier is the main factor here
Take kushala up and enjoy using a strong upgraded attacker for the intended purpose.
Stop overthinking.