BPhillipYork: Strong card if you have a way to turbo out the ultimate, though people will really not like it
It also highlights essential colorless options
It doesn't copy whether that permanent is tapped or untapped, whether it has any counters on it or any Auras or Equipment attached to it, or any non-copy effects that have changed its types, color, power and toughness, and so on
They have efficiently reviewed and fairly assessed my collections and handled everything with respect and care
Combine that with the +1/+0 it gives, or the +2/+0 and trample it gives on the backside, and you have a solid addition to any aggressive red strategy
Whilst Gruul has access to the incredible Vexing Shusher, theres no substitution for a good REB at your side