Steward of Solidarity is a uncommon Creature — Human Warrior card from Hour of Devastation (HOU), collector number 25. Current market price: $0.13 (foil $0.27), TCGplayer market prices via Scryfall.
{T}, Exert this creature: Create a 1/1 white Warrior creature token with vigilance. (An exerted creature won't untap during your next untap step.)