hold all the cards

/HH OW1 L D AO0 L DH AH0 K AA0 R D Z/
verb
  1. 1

    To be in a strong position, possessing significant advantages over someone else; to be in control of a situation involving multiple parties.

Source: https://en.wiktionary.org/wiki/hold%20all%20the%20cards, https://en.wiktionary.org/wiki/hold%20the%20cards