You save a lot of mana when you skip the equip cost, whether you put the equipment on the token or the commander
During an attack you can use your creatures to block those your opponent is attacking with, comparing their power and toughness scores to see which get through in a fascinating tactical mini-game
Any time a creature has more than one Role controlled by the same player attached to it, the creature keeps the newest Role and all the others controlled by that player are put into the graveyard (and then cease to exist as they're tokens)
On the flip side, if your opponent is all Fatal Pushes, the recursive threats are much better, and Whirler Virtuoso is basically unstoppable by either side
Avacyn, Angel of Hope Avacyn, Angel of Hope sees some play as a reanimation target/control win condition, especially in Commander play