Help~

PLayer A: Attacks Player's B set monster on the field.

Player B: Flip, set monster = Ryko Effect destroy a card on the field, Player B choose to destroy
Player A's set magic/trap card.

Player A : Destroyed Magic/trap = Wild Tornado (荒野の大竜巻)
Chooses to destroy flipped up Ryko.

The problem's here.
Can Player A destroy Ryko?

Orz