I want to share the most epic thing that ever happened with Purple Cards in my campaign. Basically, using the card used to create an all new NPC, a player introduced a commander in the dragonborn kingdom's army (warlord). Another player, in a loose interpretation of "It was I the whole time," revealed that that the newly introduced dragonborn was actually the father of a player's deceased character (a dragonborn barbarian).
There was a lot of magic in that session, and the father actually got to speak with his deceased son. Both warriors dedicated to Bahamut and the dragonborn empire, being able to speak to each other in spirit was a VERY unique experience for everyone (both fictitious and real) involved. The whole thing was so epic, and the player of the deceased character actually took the new NPC in as his main.
-edit-
I am also gonna share the other Purple Cards me and my group made.
Suddenly, a Hoard of Tiny Little Trolls. Thousands of ThemPlay this card to declare that a swarm of some sort has entered the scene (a swarm of scarabs pour out of a clay jar, a bunch of faeries jump out of a tree, etc), and to declare the swarm's first action. Afterwards, the swarm obeys its own instincts.
Gain Minion XP,
or Monster XP for an insightful explanation of the swarm's entrance into the scene, or an amusing explanation of the swarm's antics.
+ Minion XP if the if the swarm appears at an inopportune moment.
(Yeah, that one IS a spin off of "I was in the box the whole time," but we likes it, Precious.)
-edit 2-
Do It Now, Gohan!Play this card when an ally makes an attack to declare that your character shouts encouraging words to an ally. You aid that ally’s attack (+2 to attack roll), and the attack counts as brutal 2 (any damage dice showing 1 or 2 are rerolled until they show a higher number).
Gain Minion XP,
or Monster XP for acting out a war-cry truly inspiring.
Show Me Yo Moves!Play this card to challenge another character (enemy, PC, or NPC) a contest of skill. Narrate the challenge your character makes and the terms of the contest. The DM will determine how the contest is to be resolved and what skills are involved.
Gain Minion XP,
or Monster XP if the challenge initiates a quest.
+ Minion XP the target backs out.
+ Minion XP for showing off your badass moves
Clash of SteelPlay this card when an enemy within your melee or ranged basic attack range makes the same kind of attack (melee or ranged) against you or an adjacent ally. Make that basic attack vs. the enemy’s attack roll – If you hit, the enemy’s attack is canceled, and the enemy takes your basic attack damage. If you miss, the enemy’s attack hits you.
Gain Minion XP,
or Monster XP if you provide a stunning or suspenseful description of the duel.
[FONT="]
[/FONT]
OVER NINE-THOUSAND!!Play this card when you attack to declare that you unleash so much energy with it, the surrounding ground shatters. The squares on the ground that are in or adjacent to you and your targets’ squares become difficult terrain.
[FONT="]Gain Minion XP, or Monster XP for a thrilling description of your onslaught. + Minion XP if you used an action point or daily power for the attack.[/FONT]