Whenever another permanent you control is put into a graveyard from the battlefield, if it had one or more counters on it, you may put that number of +1/+1 counters on target creature
What's even funnier is that it's possible for either player to cast another Shahrazad in that subgame, creating a third game
Designer Notes: Put permanent cards in your graveyard to power up you commander and swarm the board with fungus tokens
Shiko and Narset copy at most one spell each turn, and make us work a bit to unlock that value
Horsemanships unique evasion means your knights are suddenly charging past those blockers, and it works better than a Levitation in terms of turning your board into an instant threat
While a 2/2 for a staggering seems utterly insane by todays standards, dont worry, he has an activated ability