Minas Tirith Garrison is a rare Creature — Human Soldier card from The Hobbit Commander (HOC), collector number 180. Current market price: $1.50, TCGplayer market prices via Scryfall.
Minas Tirith Garrison's power is equal to the number of cards in your hand. Whenever this creature attacks, you may tap any number of untapped Humans you control. Draw a card for each Human tapped this way.