A topic from AEG's L5R CCG Rules forum, copied for Oracle of the Void from the Wayback Machine (its copy), so posts it didn't save are missing. Players' names are left out; the rules officials are named. Rulings are as they stood on these dates; later rulings, the rulebooks and the Rules Archive may differ.
A player, 19 May 2005
Suppose Yojireru has ability A permanently copied from when he came into play.
He then uses his limited action, losing ability A to get ability B permanently.
At the end of the turn, does he regain ability A and still get to keep ability B or is the loss of ability A permanent?
Thanks,
Leon
Martin Lund (rules official), 19 May 2005
Suppose Yojireru has ability A permanently copied from when he came into play.
He then uses his limited action, losing ability A to get ability B permanently.
At the end of the turn, does he regain ability A and still get to keep ability B or is the loss of ability A permanent?
Thanks,
Leon
Hm. That's a good question.
It does not say, "permanently remove," however it also isn't an Effect, but a Cost of the Action. Effects have a default duration of "until the end of the turn" but this is a cost.
I believe the intention was for Yojireru to "exchange" abilities, but as it stands right now, I could not rule that way for certain.
I'll forward that along to Jeff.
Zen Faulkes (rules official), 19 May 2005
Decision from the Rules Junta:
When paying the cost to copy an ability, Yojijeru no Oni's existing ability is lost permanently.
We're still working on whether this will be a general rule or specific to this card, but it takes care of the immediate problem.