Karlach, Fury of Avernus Revised Edition Whenever a player mills a

Whenever a player mills a nonland card

you may cast a copy of it from exile without paying its mana cost at the beginning of each of your first main phases

you may draw cards equal to the number of opponents dealt damage this way

' (When you cast one

{T}: Target attacking creature has base power 0 until end of turn

Karlach, Fury of Avernus Revised Edition Whenever a player mills aWhenever 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. Choose a Background (You can have a Background as a second commander.)