Never convert everything. Always keep 3 copies of them if you can, one day something might become really good. Considering the meta in DL is different from the TCG, some things might be good here even though they're bad in the TCG.
anoymous
If you find them unworthy, you can always turn them to SR stones.
anoymous
Beast of Talwar is strong 6*
Good alterative if you dont have summoned skull.
anoymous
They were worthy cards to obtain due to their effects