Water Tribe Rallier is a uncommon Creature — Human Soldier Ally card from Avatar: The Last Airbender (TLA), collector number 42. Current market price: $0.16 (foil $0.25), TCGplayer market prices via Scryfall.
Waterbend {5}: Look at the top four cards of your library. You may reveal a creature card with power 3 or less from among them and put it into your hand. Put the rest on the bottom of your library in a random order. (While paying a waterbend cost, you can tap your artifacts and creatures to help. Each one pays for {1}.)