The right play is going to depend on the matchup (if they're a very fast deck it could be right to block), your hand (if your next play is a Ghoulraiser and your creature is instead a Walking Corpse, it is excellent to block), and your tribe along with your deck
This card debuted in Ravnica Allegiance and was designed to support the Afterlife mechanic in the set, doubling the number of spirit tokens generated when cards like Ministrant of Obligation and Orzhov Enforcer die and also giving those tokens some useful keyword abilities
If we assume that weve drawn two Humans by this point (a conservative estimate, perhaps), then were at 73.4% if we have 22 Humans in our deck
Since we are not going full Zombie Tribal, were going to want to look outside of both of our marquee tribes for a few more options before we move on to spells
Now if we hide the photo underneath we get this: If we print this out on top of our blanked card it would appear as though the text boxes and our artwork are blended together much like they were in Photoshop