Karlach, Fury of Avernus (Showcase) [Commander Legends: Battle for Baldur's Gate] SV55 We must find another source

We must find another source of mana—one that is growing despite our withering world

Set: Sword & Shield: Crown Zenith Type: Colorless Rarity: Ultra Rare Retreat cost: Colorless

you may exile a nonartifact

'is Excalibur

Karlach, Fury of Avernus (Showcase) [Commander Legends: Battle for Baldur's Gate] SV55 We must find another sourceSet: Commander Legends: Battle for Baldur's Gate Type: Legendary Creature Tiefling Barbarian Rarity: Mythic Cost: {4}{R} 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. Choose a Background (You can have a Background as a second commander.)