You create a 10ft square within range that is connected to a tiny shard of the planes.Choose one of the following Air,Astral,Chaos,Earth,Evil,Far realm,Feywild,Fire,Good,Law,Shadowfell,Water.The chosen area is effected based of your choice which are listed below.

Air

All creatures are deafened while in the area and at the beginning of your turn you can choose a creature inside the area and force them to make a strength save or be pushed out of the area.

Astral

Any creature that starts it´s turn in or enters the area takes 1d6 force damage.as an action you can change the area to any of the other available options.

Chaos

Any time a creature would get advantage in the area they instead get disadvantage.as an action you can change the area to any of the other available options.

Earth

The area is difficult terrain and you can summon a mud,dust or magma mephit inside the area as an action.the mephits are under your control, act just after you ,and disappear after being dropped to 0hp or when the spell ends.

Evil 

creatures can not regain hit points while in the area.

Far realm 

Any creature that starts it´s turn in or enters the area takes 1d6 psychic damage and cannot take reactions until the start of their next turn.

Feywild

the area becomes dim light and all wisdom saves made by a creature inside the area have their rolls reduced  by 1d4.

Fire 

Any creature that starts it´s turn in or enters the area takes 1d10 fire damage.

Good

Whenever a creature within the area regains hit points,the number of hit points they regain is doubled.

Law

Any creature that starts it´s turn in or enters the area takes 1d4 force damage. whenever a creature would gain disadvantage or advantage on a d20 roll while inside the area,they lose the disadvantage or advantage.

Shadowfell 

Any creature that starts it´s turn in or enters the area takes 1d6 necrotic damage and if a creature drops to 0hp inside the ares they die and are raised as a zombie under your control.

Water 

Any creature that starts it´s turn in or enters the area takes 1d6  cold damage or be healed 1d4 hit points (caster´s choice).

 at higher levels

If you use a spell slot higher then second level to cast this spell the effected area is 5ft larger for every level the spell slot is above 2nd.