en_tn/isa/19/03.md

I will destroy his counsel

"I, Yahweh, will confuse those who counsel the king"

mediums, and spiritualists

See how you translated similar words in Isaiah 8:19.

I will give the Egyptians into the hand of a harsh master

Here "hand" refers to power or control. AT: “I will give the Egyptians over to the control of a harsh master”

declaration of the Lord, Yahweh of Hosts

See how you translated this in Isaiah 1:24.