Dipti's Snow Globe

when casting this spell the target creature must make a dexterity saving throw or be caught inside the snow globe, taking 4D10 cold damage and taking 1D10 cold damage for every additional round stuck in the globe (maximum of 2). At the beginning of the targets next turn, they can make a strength saving throw to break out of the globe, on a failure taking  an additional 1D10 cold damage.

When Cast at Higher levels- when cast using a spell slot above 5th add 2D10 cold damage per spell slot used above 5th