In their last big fight, Iran couldn’t manage to best the Iraqi forces to any real degree. They (the Iranians) even resorted to human wave tactics at times.
Human wave tactics are a real good idea when confronting an army of men with full auto weapons.
Maybe Putin will lend them the Father of all bombs they just acquired.
Good luck to the Iranians trying to get a plane loaded with that bomb anywhere near a target to drop it on.