Four and five were often easy targets and hard to design top-end cards for, so seven felt natural, and the reference worked
Nissa reads: Landfall - Whenever a land enters the battlefield under your control, add one mana of any color
If a creature you control has been goaded by multiple opponents, it must attack one of your opponents that hasn't goaded it, as that fulfills the maximum number of goad requirements
Once you get into the wider use items like dice, bags, though, you should start looking at the 2- and 4-star reviews instead of the 1- or 5-star ones, as they tend to be from actual users
You dont want your game ruined after a few hits
Most frusturatingly, perhaps, the game had a serious draw support issue, with unequal access to a strong draw engine across its several ink types