Amass payoffs, or maybe the potential for an ever-growing Orc Army with evasive payoffs
Yes, the card is expensive at 6 mana, but being able to play 10-15 cards for free, is game breaking
It wont break the bank either, since youll largely only need Mountains to build your mana base
It has an interesting built-in protection with its ward cost (sacrifice two permanents), but people can simply wrath or sac two useless lands/tokens
6 mana is a lot to ask for a mana doubler in the modern day, and while the ability to turn that mana into power is nice, the lack of evasion really hurts this cards ability to serve as a reliable finisher, even with an Urborg, Tomb of Yawgmoth in play
In most cases, they will be copies of whatever that creature was copying