Your search for "Netherborn Altar 45" revealed the following:
Netherborn Altar - C20 Reprint (PLST) from The List, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Titus Lunter Card Text:T, Put a soul counter on Netherborn Altar: Put your commander into your hand from the command zone....
Netherborn Altar (C20) from Commander 2020, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Titus Lunter Card Text:T, Put a soul counter on Netherborn Altar: Put your commander into your hand from the command zone. Then you lose...