Vaelrith's Ice Slice

You launch a razor-thin shard of spinning ice. Make a ranged spell attack, and on a hit you deal 1d8 cold damage. If the target moved this turn, it takes an additional 1d4 slashing damage.

This spell's damage increases by 1d8 when you reach 5th level (2d8), 11th level (3d8), and 17th level (4d8). The damage taken when they move also increases by 1d4 when you reach 5th level  (2d4), 11th level (3d4), and 17th level (4d4)