- Owner: Ayay
- Category: Music
- Lifetime: 2011 - 2012
Member cards are worth 0 and may be traded freely between members. For every 15 member cards collected a player may claim a mini mastery.
Levels are based on card worth.
When a player has mastered all 15 cards in a deck they master it. Mastered cards can not be traded off.
Isotonic uses coupons which can be exchanged for choice cards.