They didn't patent tapping, they patented Magic: The Gathering, which the description of includes tapping.
https://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=5,662,332.PN.&OS=PN/5,662,332&RS=PN/5,662,332