Can someone point out where in the core rules or the FAQ it defines control? After reading over the FAQ, I found
Triggered Abilities: Any ability on a card in
play that begins with "Phase:" or "Response:"
is a triggered ability. These abilities are
optional, and must be triggered by the player
controlling the card at the appropriate time
for their effect(s) to occur. An example of a
triggered ability is the Dominance: effect on
Cersei Lannister (CORE L39).
3) Trigger a card effect printed on one of the
character, location, or attachment cards you
control in play (or, in rare circumstances, from
out of play).
When looking at Trident Reinforcements (Core),
Dominance: Return Trident Reinforcements from your dead pile to your hand. Use this ability if there are at least 3 characters in your dead pile.
For you to trigger this ability you still have to control him right? So even though he is'nt "in play" you do still control him? The real question here is Do you still control characters in your dead pile?