Life Matrix
Artifact
, : Put a matrix counter on target creature and that creature gains "Remove a matrix counter from this creature: Regenerate this creature." Activate only during your upkeep.
Legalities
- brawl: banned
- commander: legal
- legacy: legal
- modern: legal
- pauper: legal
- pioneer: banned
- standard: banned
- vintage: legal
Rulings
- 2004-10-04:
Once the counter is placed on the creature, the ability to remove it can only be activated by the player who controls the creature.