Rose Room Treasurer is a rare Creature — Ogre Warrior card from Bloomburrow Commander (BLC), collector number 201. Current market price: $0.37, TCGplayer market prices via Scryfall.
Alliance — Whenever another creature you control enters, create a Treasure token if this is the first or second time this ability has resolved this turn. Otherwise, you may pay {X}. When you do, this creature deals X damage to any target.