If Starting Town enters during another player's turn, it'll enter tapped no matter how many turns they've taken
In the future, I think this step could be improved by adding more specific and actionable advice about what makes good cards, like the guidance from this page
When Purphoros enters the battlefield, your devotion to its color (including the mana symbols in the mana cost of Purphoros itself) will determine if a creature entered the battlefield or not for abilities that trigger whenever a creature enters the battlefield
Being able to double up any abilities that pop upon your Wizards entering the battlefield is surely going to be a massive swing in favor within your well-crafted Wizards deck
The Mox Emerald above , from the Alpha printing, sold for $18,000 / 12,700 via Heritage auctions in 2021
TCGplayer listings starting at $89 with shipping included , dropping below its $89.09 market price