Norse Rune Caster

Runes are important to you, you know that by magically inscribing them you have access to the primal forces of the earth in communion with the Nordic gods.

As an action, you can spend spell slots of any level to inscribe a single spell of that level on a rune in stone, wood or skin. If you place the rune on an item connected to the ground (a tree, stone, soil) its effect has a range of up to 60 feet and passes through solid surfaces. If any creature not designated by the caster manipulates these runes, the inscribed spell will be cast at the chosen level. The spell 

Additionally, a Nordic Rune Caster can inscribe a spell on a singular object, causing the spell to be cast upon manipulation of that object. (Such as on a stone, coin or bone).

The spell remains on the rune until activated.