>>508291695 (OP)Russia pretends to support Israel.
Israel attacks Iran and forces US to join in.
China relies on Iranian oil.
China forced to step in to protect Iran or buy Russian oil for higher prices
If:
US and China go to war.
Nobody to stop Russia from conquering Europe and becoming next world power.
If:
China buys expensive Russian oil, Russia gets rich.
There's absolutely no reason for Russia to intervene.