Karlach, Fury of Avernus [Commander Legends: Battle for Baldur's Gate] Merfolk Wizard Ally Activate only if you control

Activate only if you control five or more lands

As if that wasn’t enough

Set: Expedition: Base Set Type: Colorless Rarity: Uncommon

you may change “nonblack creature” to “nongreen creature” or “forestwalk” to “islandwalk

Karlach, Fury of Avernus [Commander Legends: Battle for Baldur's Gate] Merfolk Wizard Ally Activate only if you controlSet: 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.)