Champion of Thunder
(relevant text) Reaction: After another player's action targets a card in this unit: Negate the action's effects on this card.
Does "this" card only mean actions on Champion of Thunder are negated or the card that was targeted?
A topic from AEG's L5R CCG Rules forum, copied for Oracle of the Void from a copy of the forum saved in October 2015, so pages 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.
Champion of Thunder
(relevant text) Reaction: After another player's action targets a card in this unit: Negate the action's effects on this card.
Does "this" card only mean actions on Champion of Thunder are negated or the card that was targeted?
Champion of Thunder: Does "this" card only mean actions on Champion of Thunder are negated or the card that was targeted?
The former. Champion of Thunder protects itself, not so much other cards.
http://rules.l5r.com/CE_Glossary_T#This: "'This card' refers to the card itself."
http://rules.l5r.com/CE_Special_wording ... References: "Most simply, references to 'this card' or 'this (card type)' refer to the card itself."