Orzhov Advokist is a uncommon Creature — Human Advisor card from The List (PLST), collector number C16-3. Current market price: $0.15, TCGplayer market prices via Scryfall.
At the beginning of your upkeep, each player may put two +1/+1 counters on a creature they control. If a player does, creatures that player controls can't attack you or planeswalkers you control until your next turn.