質問： "as the action is announced"

(1)
Ｑ：　Action カードの補充（Replace） として引いた、使用条件が　"as the action is announced"　のカードは使用できますか？

例）
My vampire plays "Govern the Unaligned (Inf)" to bleed.
Can I use "Seduction" that I had just drawn as a replacement for the "Govern the Unaligned" ?

Ａ：　可能。

(2)
Ｑ：　Action 宣言時に、"as the action is announced"　条件のカードを複数使用することはできますか？

例）
My vampire plays "Govern the Unaligned (Inf)" to bleed.
Can I use both "Seduction" and "The Sleeping Mind" ?
　
Ａ：　可能。

(3)
Ｑ：　Action 宣言時に、"as the action is announced"　条件の無いカードを使用し、その後で条件のあるカードを使用することはできますか？　

例）
A vampire plays "Govern the Unaligned (Inf)" to bleed.
Replaces. (Drew something irrelevant.)
Plays "Conditioning".
Replaces. (Drew "Seduction".)
Play "Seduction".
Replaces.
Pass the impulse.

Ａ：　不可。　

http://www.vekn.net/forum/rules-questions/75269-as-the-action-is-announced-window

IV. HOW TO PERFORM ACTIONS
..ADeclare the action. [6.2.1]
....1. Play the action card, if any, and define the action (target, cost, etc).
....2. Tap the acting minion.
....3. Cards that are played "as the action is announced" may be played (other effects cannot be played until after the "as announced" stuff is finished). [RTR]

Seduction
Action Modifier
Only usable as the acting vampire's action is announced.
[dom] Choose a younger vampire. That vampire cannot block this action.
[DOM] As above, but you may choose a vampire the same age or older.

Sleeping Mind, The
Action Modifier
[dom] Choose a tapped vampire. He or she cannot attempt to block this action.
[DOM] Minions cannot untap during this action.