Munda, Ambush Leader is a rare Legendary Creature — Kor Ally card from Battle for Zendikar (BFZ), collector number 215. Current market price: $0.17 (foil $0.57), TCGplayer market prices via Scryfall.
Haste Rally — Whenever Munda or another Ally you control enters, you may look at the top four cards of your library. If you do, reveal any number of Ally cards from among them, then put those cards on top of your library in any order and the rest on the bottom in any order.