The text on 1=2; 2=1 says that any occurrence of 1 on another card
should be treated as 2. 2 and 1 are both numerals, and they are on a
card that is not Inflation so I should be treating them as 3 and 2.
Which means I should be treating the 2 on the Basic Rules card as a 3.
I draw 3 cards. Yay!