Fool's Gold

Conjuration cantrip
Casting time: 1 action
Range: Touch
Target: --
Components: M (1 gold coin)
Duration: Concentration, up to 24 hours
Classes: Bard, Wizard
Subclasses:

When you cast this spell, you enchant the coin you used as the material component for this spell. At any point before the spell ends, you can summon the coin back to your hand. Doing so ends the spell.