Iron dome has higher than 80% success rate, remember it doesn't even try to intercept rockets that are predicted to hit open ground. As for technology, Iran only has what they buy from North Korea and others. As for "mild saturation attack", if thats what you call over 800 rocket attacks in 4 days, I suggest you seriously beef up your knowledge!
Roadside bomb kills five border officers in western Iraq (AP)
from the article: A look at Israel's 'Iron Dome' missile defense