If he is acing all of his exams and always seems to finish his homework in a snap, it may be that his classes are not challenging enough
While Nezahal is a personal favorite of mine, its not quite as resilient and game-ending as Hullbreaker Horror, which takes Tidespout Tyrant and turns it up to eleven
The mythic rare haste threats from Kaldheim let you trim down on Embercleaves while still maintaining the finishing power of prior Gruul lists
For example, a creature that enters the battlefield under your control with one +1/+1 counter on it won't receive an additional +1/+1 counter
Or, if the item is a little smaller, you can try 4-Pocket Pages Some postcards and jumbo cards measure 3-1/2 by 5 or sometimes a bit bigger and fit nicely in the LaserWeld 4-Pocket Photo Pages
Sabotender in Standard: Vinelasher's Big, Red Brother When Rakdos Aggro was at its peak last year, every list packed four copies of Iridescent Vinelasher