Karlach, Fury of Avernus - [Showcase] Commander Legends: Battle for Baldur's Gate (CLB) PUMA Flashback {7}{B}{B}{B} (You may cast

Flashback {7}{B}{B}{B} (You may cast this card from your graveyard for its flashback cost

up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value

Then copy each card exiled with Arcane Bombardment

create a 1/1 white Cat Soldier creature token with vigilance that's attacking

the river seeps over its banks and crawls through the woods like a blanket of serpents

Karlach, Fury of Avernus - [Showcase] Commander Legends: Battle for Baldur's Gate (CLB) PUMA Flashback {7}{B}{B}{B} (You may castWhenever you attack, if its 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.)