Master's Toughness + Dark Duncan's Master's Defense

[ultra]

Hi.

Dark Duncan has Master's Toughness in play.

He has to exert for a defence so he goes ahead and plays Master's Defense (this is Qstn1 ... can he play Master's Defense in hopes of finding an exerted defence?)

assuming he can then Qstn2 ..

Does the Lucky Block's effects kick in for blocking correctly?

The Mstr Defense nullifies but the Mstr Toughness let's everything trigger.

Master's Toughness (4H-086)

Situation

Text
You may attack to areas you blocked this turn. The text on all blocks you play this turn is triggered, regardless of if they were the last successful defense you played this turn.

Master's Defense (DD-006)
Edge
Text
Choose a defense you have in play. Nullify the text. That defense now covers all grids.

Lucky Block (Lower) (HtG-208)

Block
Text
If this block is played from an Exertion, it may be a Power Block without an Exertion.

[prowler7]

Masters Defense says "Play on a defense in play" , so you could not play it and Exert for the defense. I worded the card that say explicitly for that reason.