From Fiesta Wiki

Introduction

Cards were introduced on the 7th March 2012 in a four tier system, with "S" cards generally the rarest and "C" cards generally, but not always, the most common. MMORPG

Card Ranks

Pic	Type	Number of cards
	S-Rank	28
	A-Rank	57
	B-Rank	71
	C-Rank	97

Rewards

Unlocking certain cards can unlock titles and unlocking a certain number of cards from each tier can also unlock rewards.

Pic	Type	Number of Card Type Required	Reward Name
	S-Rank	14	Collector's Mithril Necklace
		28	Devil's Wing
	A-Rank	28	Collector's Sawtooth Earring
		57	Devil's Amor
	B-Rank	35	Collector's Red Ring
		71	Devil's Helmet
	C-Rank	48	Collector's White Ring
		97	Super Donkey
			Super White Donkey
			Super Horse Hobby
			Super White Hobby Horse
	All	253	Mini Helga
			Mini Malephar