With every attack, Xira can deliver her titular Golden Sting to another creature in play, setting it up to grant you a card and an Insect token upon its inevitable untimely death
Warleader's Call turns every token you make into direct damage to all opponents, which adds up very fast in a token-heavy deck
One of the problems with ramp heavy decks is that when you have enough mana in the late game, any additional ramp become a dead draw
Because your commander is so resilient - low cost, only a creature on your turn, and with a built in self-reanimate power, you don't even really need backup reanimators in the deck
Quick disclaimer: there is a huge difference between proxy cards and counterfeit cards
Speaking of sideboards, this is mostly just a list of ideas more than anything