However, for your combat damage to get through, you will need some protection from your opponents after they have either saved up the mana to blow away some of your Humans or kept some of their poor creatures untapped to block you (even if your creatures can't die because of Goldbug, Humanity's Ally )
The deck has two main goals: to build a large army of human creatures, and to pump the army of humans through dozens of anthem and +1/+1 counter effects, allowing you to attack with a massive army of huge creatures
The transformation doesn't necessarily make the card more powerful, but it maintains Flash, adds Double Strike, meaning you double the damage output in combat, and shifts the card draw from opponents drawing two cards per turn to combat damage dealt to players
You could also look at +1/+1 counters to really beef up those tokens
but Atraxa is just a goodstuff Commander through and through
Many cards have Shift or abilities that rely on certain types and numbers of characters being in play (we're looking at you, Seven Dwarfs)
