Level 4 Conjuration (Druid, Sorcerer, Wizard)
Casting Time: Action
Range: 120 feet
Components: V, S, M (a shelf of dried bracket-fungus)
Duration: Concentration, up to 1 minute
You raise a wall of bristling shelf-fungus on solid ground you can see within range. You can make the wall up to 60 feet long, 10 feet high, and 1 foot thick, or a ringed wall up to 20 feet in diameter, 20 feet high, and 1 foot thick. The wall is opaque and Heavily Obscures the area behind it. When the wall appears, each creature in its space is pushed 5 feet out of the wall's area, to a side of your choice. A creature that ends its turn within 5 feet of the wall's spore-shedding side (chosen by you when you cast the spell) makes a Constitution saving throw, taking 5d8 Poison damage on a failed save or half as much damage on a successful one.
Using a Higher-Level Spell Slot. The damage increases by 1d8 for each spell slot level above 4.