It's got a cast trigger to exile a permanent with colors (like most Commanders in the format) and which resolves even if he's countered
Heck, one of my friends in high school was a Superwholock Tumblr user
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
1 Explosive Singularity Could Be A Monster In A Token And/Or Spell Build Explosive Singularity is a particularly impressive spell from the new set
Untapping creatures is very synergistic with the station mechanic since it allows them to tap again
There are plenty of times youre struggling to actually win because youve generated a lot of generic creatures or tokens that dont have haste, though