Chris Berger wrote:
> I know that the controller of a minion card is, by default, the
> controller of the minion that it is on (while the controller of a
> master card is, by default, the person that played it). Does this
> extend to cards that are not played on minions? That is, is the
> controller, by default, the controller of the card that it is on?

Yes.

> Specifically, say I play a Salt of Thoth on a Powerbase: Montreal that
> I control. Later, a minion attempts to steal the Powerbase, and I
> decide to let him, because I feel he needs the pool. On my turn, if I
> take an action to steal the Powerbase back, does the controller of the
> Powerbase have the option of burning the Salt of Thoth, or do *I*, the
> person that played the Salt, have that option?

The controller of the Powerbase.