Situation: My character has Magic Object which has text: "When encountering your opponent, dicard this Item and do xxxx (for example take all Golds from you opponent)
Now: I encounter opponent, discard this Item and want attack him. He plays Invisibility. So he evade the combat that is ok. But now we are arguing, if My object is just discarded without any effect, or the effect of that Object is triggered. So question is, if Invisibility Spell "cancel" encountering the character, or it just grant evading the combat.