The Zeta SetSLZ 274
Thrummingbird
uncommon in The Zeta Set
No price for this printing yet. That is not the same as worthless — the feed simply has no listing for it.
14 printings of Thrummingbird
Same name, different printings. The set code and collector number printed along the bottom edge are what tell them apart.
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.
The Zeta Set
SLZ 153—
Phyrexia: All Will Be One
ONE 432—
The Zeta Set
SLZ 32—
Commander Anthology Volume II
CM2 52$0.36
New Capenna Commander
NCC 236$0.36
Phyrexia: All Will Be One
ONE 72$0.35
Commander Masters
CMM 858$0.32
The List
PLST CM2-52$0.32
Edge of Eternities Commander
EOC 80$0.32
Phyrexia: All Will Be One
ONE 288$0.29
Scars of Mirrodin
SOM 47$0.28
Modern Masters 2015
MM2 65$0.28
Commander 2016
C16 100$0.25