Ton of stuff

You drop exactly 1 ton of stuff on any point within range roll 1d4 on a 1 you get a ton of chairs and anyone in a 40ft by 40ft makes a Dex save if they fail they take 8d6+20 bludgeoning damage and are knocked prone on a success you take half damage.On a 2 you summon a ton of stone and each creature in a 20ft by 20ft makes a Dex save and takes 12d6+40 damage or half on a success.On a 3 you summon a ton of poison and each creature in a 40ft by 40ft area has to make a Con save or take 8d6 posion damage and be poisoned and take 2d6 poison damage at the start of there turn for 1min. with half damage on a success.On a 4 you conjure 1 ton of evil flying books each creature in a 20ft by 20ft area makes a Int save or takes 8d6+20 psychic damage and are stunned with half damage on success.