Highly unlikely what Jim Rickards said is true.
Quantitative Easing or printing SDR DOES NOT ALWAYS guarantees an explosion of gold and silver price as demonstrated in the past QE or LTRO programs. It depends on what these currency are being used.
If the Fed uses the QE currency to buy back government bond and not selling these bonds back to the public , the result is that there will be no effect in asset price but a decline in government debt. Governments around the world is cancelling their debt holdings this way. This is monetary inflation.
However when the QE currency is directly injected into the economy and we spent it, we will see an explosion in price for all asset class. This is asset price inflation.
Also, the central banks are NOT out of bullets. They have a different sets of monetary policy - to ensure credit continues to expand and the economy will maintain an inflation rate at 2%.
Be very careful about the statement "IMF's special drawing right (SDR) is going to create inflation", The answer depends on how these SDRs are being used.