name: Karlach, Fury of Avernus
originalText: Whenever you attack, if it's the first combat phase of the turn, untap all attacking creatures. They gain first strike until end of turn. After this phase, there is an additional combat phase.\nChoose a Background
printings: CLB, PCLB, SLD
text: Whenever you attack, if it's the first combat phase of the turn, untap all attacking creatures. They gain first strike until end of turn. After this phase, there is an additional combat phase.\nChoose a Background (You can have a Background as a second commander.)