Ogre Battledriver is a rare Creature — Ogre Warrior card from Duel Decks: Speed vs. Cunning (DDN), collector number 16. Current market price: $0.49, TCGplayer market prices via Scryfall.
Whenever another creature you control enters, that creature gets +2/+0 and gains haste until end of turn. (It can attack and {T} this turn.)