Auriok Purifier

Protection from Artifacts and from Black.
If you or a teammate would get a poison
counters, they gain 1 life instead.
When an artifact is destroyed, put a +1/+1
counter on Auriok Purifier.
"Thallid Spores from Dominari, purified into
symbionts were an answer. Fungus sprouted on and
devoured metal. Filtered and fed on poison."