Next turn he could sing something like Mother Knows Best, then you could use Max Goof Rebellious Teen to get it straight back
Meanwhile if you look at the price chart for Reki, the History of Kamigawa, it has seen at least four buyouts over the past few years shooting up to $10 or $15 before falling back down to $5 or $6
Whenever combat damage is dealt to you, remove an indestructible counter from Risona. That second clause is key to keeping Risona alive
The addition of vigilance to every Zombie creature on your side of the battlefield also makes it difficult for opponents to break through your defenses
Its easy for them to get to a boardstate where theyve traded everything off and entered a topdeck war, and nothing wins such a war like drawing twice as many cards
It comes down early, it comes down cheap, and it effectively locks your opponents out of interacting with any of your cards