OtterDex

Mammoth Graveyard

Magic RulerMRLEN MRL-E104Common

Set
Magic Ruler
Address
MRLEN MRL-E104
Rarity
Common
Finishes
Non-foil
Game
Yu-Gi-Oh!

No price for this printing yet. That is not the same as worthless: the feed simply has no listing for it. The other printings below may still be quoted.

Is this the one you are holding?

The bottom edge of your card should read MRLEN MRL-E104. There are 7 other printings of Mammoth Graveyard, worth $0.13 to $2.76. See all of them.

8 printings of Mammoth Graveyard

They range from $0.13 to $2.76, a 21× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart — and OtterDex reads that line off the card for you.