Common Most commons are bulk, but some can be valuable if they are old, highly playable, scarce, or from a desirable foil printing
Sequences where you attack with a 1-drop and follow it with this card will be good, and if you keep attacking, this red creature can generate more value
2/2 Wolf creature, for Somberwald Beastmaster and Wolfrider's Saddle
Now, for just two extra mana, every creature in the Family Matters deck will create a copy of itself, and that copy will also boost Zinnia's power
A collector can offer their card collection to interested buyers through online secondary markets of all kinds, providing basic details such as the approximate card count, the general condition of those cards, and so on