Powerbalance checks off all the relevant boxes for me: its a callback to an awesome card from years past, it forces interaction (in other words, makes me have to pay attention to the game), it gives you free stuff, and it allows for fun top-deck manipulation
Archaeomancers Map is another piece that ensures you hit the land drops, but crucially unlike Gift of Estates, helps you to catch up too
The moment Toymaker hit the field and was allowed to dry, the game state would instantly shift in favor of the Sapphire deck
A general rule is that spells and abilities on the stack resolve one by one, beginning with the last one put on the stack
They dont do enough with their effects, and anyone trying to play them as their commander is in for a world of pain