Found two tokens missing in the Card Database:

Monster // Sorcerer (#015) // Royal // Young Hero (#016) double-faced token from WOE
https://www.tcgplayer.com/product/51694 … ge=English

Saproling token from M21 (#012)
https://scryfall.com/card/tm21/12/saproling

Maybe there are more double face role tokens from WOE and regular tokens from M21 missing, haven't checked.

Some Art Card Variants are missing:

Art Card: Swamp (#63) from ONE has only the signed variant in the database, the regular one is missing.
https://scryfall.com/card/aone/63/swamp-swamp

Art Card: Mass Production (#1) from BRO has only the Gold Stamped variant (with Planeswalker symbol), the regular one is missing:
https://scryfall.com/card/abro/1/mass-p … production

EDIT: Found another with the same issue;

Art Card: Sauron, the Necromancer (#42) from LTR has only the signed variant, regular one missing.
https://www.tcgplayer.com/product/50044 … ge=English

Apparently, there are a bunch of these Art Cards from different sets with the same problem.

Hi, just a nitpick, the Soldier // Kraken double-faced token from MoM is missing.

https://www.tcgplayer.com/product/49730 … ge=English

The Ashen Reaper Art Card from MoM is missing.

https://www.tcgplayer.com/product/49235 … ge=English

Hi, first post here. Maybe I'm wrong, but I think specifically this See Double card version is missing and I didn't find it in the recent replies. I can't even find it in Scryfall. Can anyone confirm it?

https://punkouter.com/products/see-doub … ase-promos
https://www.cardmarket.com/en/Magic/Pro … -Double-V1