Heirloom Blade [Commander 2020] Normal Argentum is Karn's original name

Argentum is Karn's original name for that plane

Set: Kaldheim Type: Legendary Creature — Dwarf Warrior Rarity: Uncommon Cost: {R}{W} Whenever another nontoken creature you control dies

Set: Kamigawa: Neon Dynasty Type: Basic Land — Island Rarity: Common ({T}: Add {U}

or planeswalker

Heirloom Blade [Commander 2020] Normal Argentum is Karn's original nameSet: Commander 2020 Type: Artifact Equipment Rarity: Uncommon Cost: {3} Equipped creature gets +3 +1. Whenever equipped creature dies, you may reveal cards from the top of your library until you reveal a creature card that shares a creature type with it. Put that card into your hand and the rest on the bottom of your library in a random order. Equip {1}