While theres not going to be a set answer for every deck, Ive personally found that 4-5 is a good minimum for most decks I play in Commander, though if you play a deck that doesnt use a lot of creatures, you could easily find yourself playing more than 10
Whenever equipped creature attacks, draw a card if you control three or more attacking creatures
Then of course there are the simplest ones that simply draw two or more cards which was what my last list focused on
Yes, fog effects that prevent damage from creatures stop infect
Again, its never a hundred percent guarantee that every future leak will be correct, but since this particular leaker has been so accurate, it does seem that players can trust their accuracy and the information received from datamines in Pokmon TCG Pocket
The archetype often relies on a critical mass of experience counter cards from other colors to function, which the TLE cards lose