Tara Chest Event

Tara, gives you cards with a reward inside. Play battles and unlock chests to collect cards. She can offer you 2, 3, 4, or 6 Cards. After collecting all the Cards offers, she will give you a Golden Card, with much better rewards. Her Cards can give you Coins, Characters or even Chest Tickets.
This Plaza Event can only appear starting from Desert World.
In an update , The length of the event has been changed to 6 hours and you can collect 2-6 cards. The Golden card can either be a Rare or an Epic chest.