Geistlig, Worldgrave Sentinel

Hexproof, Lifelink
Weaponize {1}{w}{b}
As long as Geistlig is an artifact, it isn't a creature and has "equipped creature gets +2/+3 and gains hexproof and lifelink," and equip {1}{w}{b}.
Whenever a creature attached to Geistlig dies, you may remove a weapon counter from Geistlig.
{2}{w}{b}: Put a weapon counter on
Geistlig.