A druid, sorcerer, warclock, paladin or a DM with a spellcasting NPC (or maybe BBEG?) - these little cards will help you keep track of your spell slots so you can focus on smiting your enemies! Or healing your party. Whichever is more your speed.
D&D Spell slot trackers
-Size - standard playing card size (64x89mm)
-Paper - 350gsm recycled cardstock
-Pack size - you can purchase a single tracker or a set of 5