A pack of simple key cards. 32x24 or 32x20, no palette. These could also be used as credit cards, debit cards, or ID badges.

PSD pack: Original Photoshop files with elements separated into layer groups. Can be used to create your own variations.

Premade pack: Exported PNG files. Normal and slim cards with stripe, contact, and photo variants.

Doom pack: Ready-to-use WAD file with sprites in Doom palette and format, as well as not-quite-ready-to-use sprite sheets for Doom and Strife. These have been scaled for size and squished to account for the aspect ratio correction built into most modern source ports.