Can'trip

Abjuration cantrip

Casting Time: 1 action
Range: 60 feet
Components: V, S
Duration: 1 round
Class: Bard, Sorcerer, Warlock, Wizard

You temporarily tangle magic around a creature within range that you can see. Until the start of your next turn, each time the creature tries to cast a cantrip whilst this spell affects it, it must succeed on a spellcasting ability check against your spell save DC or waste its action (but not a spell slot). The spell ends if the target moves out of the spell’s range

At Higher Levels. The maximum level of spell inhibited by this cantrip increases when you reach 5th level (1st-level spells), 11th level (2nd-level spells), and 17th level (3rd-level spells).

Source: Heliana's Guide to Monster Hunting