Even though it is in the command zone, these rules still apply, so you can cast Tails before your turn starts, so it's on the battlefield when you start playing Vehicles
The prize cards, which auctioneer Fanatics Collect (formerly PWCC) states were given to the top three players from each region, all featured Exeggutor - a reference to the tournament's location
We have other ways to get lands into the graveyard: Nahiri's LithoformingNahiri's Lithoforming can be a way to refill our hand while triggering some Landfall , while Lotus FieldLotus Field and Scorched RuinsScorched Ruins can help keep our land count low
However, the principle of how damage is calculated is easy to grasp
As a kid I loved Pokemon back in the day (still do!)
Or you can always sell the entire lot on Facebook Marketplace or eBay for about $100