Audacious Knuckleblade is a rare Creature — Ogre Warrior Wizard card from Alchemy: Tarkir (YTDM), collector number 18.
Exhaust — {2}{G}: Seek a card named Audacious Knuckleblade and put it onto the battlefield tapped. Exhaust — {1}{U}: Surveil 2, then untap this creature. Exhaust — {R}: Creatures you control gain haste until end of turn.