I'm going to assume by Bury, you mean Kill. For future reference, some may find that to mean forcibly Burrow.
I particularly dislike the naming and the use of counters, but that's an interesting way to discourage abilities. However, it does not punish the more expensive skills as one would like.
3/5
Name: Purgatory | Purgatory
Element: Light
Cost: 3 | 2
Type: Permanent
Atk|HP:
Text: Unless they have 0 health, creatures cannot be changed or removed from the field.
Notes: Doesn't allow the change of abilities, prevents mutations and rewinds.
Art: (Optional)