You can use it on an opposing Commander which is legendary to half its power and toughness to double the turns needed to kill you with Commander Damage due to the legendary rule one copy would die
This white creatures basically just Make a Stand that synergizes with cards that care about spirits, knights, and creatures in general
This was printed in Germany during a secretive test run
You might want to save it a turn against a 1-power critter
P/T Number 166 Language English Legal Formats Brawl, Commander, Competitive Brawl, Historic, Legacy, Timeless, Vintage Not Legal Formats Alchemy, Modern, Pauper, Pioneer, Standard
Saga creatures aren't on the battlefield for a long time, but they can make a devastating impact in their short time with you