All that is needed to make this Deck weak is to destroy "Mokey Mokey Smackdown", because the multiple copies of "Mokey Mokey" will not gain any ATK bonus from it.
A Tarmogoyf is fairly unreliable threat in cube because there will be things to block it most of the time
Creatures you control gain flying, vigilance, and double strike until end of turn
But if you broaden your definition beyond simple reanimation, almost every deck has some way to get value out of the yard and if yours doesnt, youre probably not trying hard enough
That does make some of them a little worse since theyll enter tapped, but its still nice to have a way to double up on one of your best lands or possibly one of your opponents best
You can use this with ways to pump his power in a Voltron deck, a +1/+1 counter deck