[Arcs] Clarify Tricky ability for Corsair

[fallspectrum]

See https://www.reddit.com/r/Arcs/s/9kshXQ8CLg for varied interpretations.

[turmoilbyrd]

In general, one reroll ability lets you reroll a set of dice once. This is pretty well established.

Considering this question appear frequently, we can add this general rule to FAQ:

• [ ] Corsair
• [ ] https://cards.ledergames.com/card/ARCS-L14
• [ ] https://cards.ledergames.com/card/ARCS-BC13
• [ ] https://cards.ledergames.com/card/ARCS-CC05
• [ ] https://cards.ledergames.com/card/ARCS-F1615
• [ ] https://cards.ledergames.com/card/ARCS-F107

The FAQs can be phrased as something like

Q: If I have fewer dice than what I can reroll, can I reroll a dice more than once? A: No, one reroll ability lets you reroll a number of dice once only. Q: I have multiple abilities to reroll dice. How do they stack? A: You can use each of them to reroll once, in the order you choose.