my merlantean, chaos dragon, twilight sworns, blackwing and battlin boxer decks (any advice on any deck then ill consider it thx)

merlantean deck : https://i.imgur.com/ftWEidp.png

chaos dragon deck: https://i.imgur.com/UD6ieMX.png, might need help on this as to if i should add more traps.

twilight deck: https://i.imgur.com/Zmg6F7V.png thinking of addind triple JD need thoughts as to if I should.

blackwing deck: https://i.imgur.com/j1c7Bpj.png

battlin' boxer deck: https://i.imgur.com/UjsU0Q5.png need some advice on this deck as to what cards i should add and take out plz. thx

Thank u guys these are my decks. Plz comment, rate if need be and some advice will be appreciated. Thx cya round.

For the merlantean +2 sphere +1 veiler +2 maxx c +1 tidal - that ice barrier guy after veiler -all but 1 copy of the best equip card. -1 abyssgaios +1 mechquipped angineer.
For chaos dragon either +2 royal decree or +1 treacherous trap hole Then plus 1/2 maxx c depending on which of those you picked  -1 that lv monster -1 torrential tribute -1 darkflare dragon.
For the twilight -1 that lightsworn dragon guy -1 d.d crow -1 monster reincarnation +1 JD +2 tour guide -1 caius -1 ryko +1 plaguespreader +1 trooper -1 decree +1 trag. -1 star eater +1 armoy arm.
For the blackwings -2 the blackwind before gale -1 the blackwing after gale -1 sirocco +1 whirlwind +2 veiler +2 maxx c -1 monster reincarnation -1 cards for black feathers +1 the first blackwing -1 duality +1 whirlwind. -1 the blackwing dragon guy +1 that blackwing synchro that requires 2 non tuners.
For the battlin boxers +2 blaster -2 that rank up card -2 kagetokage +2 maxx c. -1 utopia ray - the cxyz guy +1 excalibur + 1 cowboy +1 dweller.
The side decks could do with some work, but meh.

Thx jack on ur inputs ill be sure to try it out then see how it goes thx again