System of Nulzann

Head equipment — Uncommon

Your Animi of Nulzann have, "Deathcry - Create a random socketable card you meet the threshold requirements to play and put it into your hand."

Changes: Animus of Nulzann
Slot: Head
Rarity: Uncommon
Set: Herofall
How obtained: Frost Ring Arena

What it does is the game's own text; how it was obtained is from the owner's records.