Theyre easier to store (smaller footprint), ship (lighter for trades), and flip (lower entry price attracts more buyers)
#7 Single Strike Urshifu V (Alternate Full Art) - SWSH05: Battle Styles Battle Styles gave us 4 different Urshifu Alt Arts, and while this one is far from being the most expensive, it's design is easily the best when it comes to displaying Urshifu's strength
PWCC, Goldin, Heritage, and Fanatics Collect for high-value graded cards
Four and under and a walker can reasonably be considered competitive
The Soldier tokens created by Caesar's ability enter the battlefield tapped and attacking, but since they weren't declared as attacking creatures, no abilities that trigger whenever a creature attacks or whenever you attack (such as Caesar's own ability) will trigger
I think @inertgeometry is on the money with the three cards they picked