Orzhov Advokist is a uncommon Creature — Human Advisor card from Commander Anthology Volume II (CM2), collector number 34. Current market price: $0.43, 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.