Ai admitted that Roboppi was the lowest-rated Duelist among them, as they had never Dueled before (placing himself as the highest and Playmaker below everyone but above Roboppi due to Ai lying that he had been behind Playmaker's skills), but suggested Roboppi raise their rating by gaining experience points from defeating strong opponents
Instead Id add Mirror Room // Fracture realm
You can add in more madness and discard effects to turn up the early pressure even more, or add white recursion particularly Abiding Grace and play the value game with Squirrel Sanctuary and Legion Vanguard, finishing with chip from Vermin Gorger and Sanctuary Raptor or an overwhelming army of tokens pumped by Drey Keeper
It won't be available to be played on future turns
It can be a whole lot of fun for players who love having lots of huge, angry creatures with tramples
It's cute and rude to say that it can't be targeted, that it can't be destroyed by battle or effects