With such a large creature base, and with such a strong tribal presence, Soldiers have a ton of power
You might open unopened magic product like booster packs, then use those cards to build decks on the spot
As a creature deck its nice to be able to get our army a second lease on life, but we already have a bunch of reanimation effects
9 Scourge Of The Throne The Only Time It's Scary To Be On Top The Conspiracy sets introduced tons of mechanics that force action in Commander games
With other Princess-specific cards like Wreck-It Ralph Admiral Underpants, Vanellope von Schweetz Sugar Rush Princess, Hans Noble Scoundrel, and Moana Of Motunui there is even more potential
Pre-Release Events: Many LGS host pre-release tournaments where participants can receive exclusive promo cards