Chain Assassination + Distract the Guards + Eagle Vision + Petty Larceny + Restart Sequence Each of these cards, if you can get them down for the 2-mana freerunning cost, is way above rate
There are 1,815 cards possible in a pack, so your experience is going to go wild
5 Craterhoof Behemoth Craterhoof Behemoth is one of green's go-to win conditions when the Hoof enters the battlefield, you're likely about to lose under the weight of a dozen massive creatures
Outside of the two Aetherdrift Commanders, Hildibrand would also work in a Varina, Lich Queen deck
If you can survive to the late-game, Pull from Tomorrow is an exceptional reward
In general, when looking at power level, I considered the overall game plan, the synergy of the 99 with that game plan, things like interaction, ramp, mana base and card draw, the commander, and the power of the remaining stand-alone cards