Clank! In! Space!: Apocalypse!

Place it on an empty space in the Scheme’s current Phase instead of setting it aside. If it fills the last space, immediately resolve that Phase, then place any excess cubes in the next Phase (p. 2).

No. Cubes on completed Phases cannot be removed by any means; only cubes in the current Phase can be taken (p. 2).

You may take the thwart action shown on the Scheme once during each of your turns, paying its resource cost. Take one black cube from the current Phase and place it in your play area; it is worth 1 point at the end of the game or can fuel effects (p. 2).

Yes. You may spend Boots for a Scheme that requires them even if dizziness or a security checkpoint has stopped you (p. 2).

Return the spent cube to the boss bag. A card or board space can generally be used only once per turn, although you may use different eligible cards or spaces during the same turn (p. 3).

Lord Eradikus succeeds, and the Scheme’s ongoing effect remains active for the rest of the game. Players can no longer take black cubes by any means, and future black cubes drawn from the bag are set aside normally (p. 3).