Immortal Servitude
Sorcery
Return each creature card with mana value X from your graveyard to the battlefield.
Legalities
- brawl: banned
- commander: legal
- legacy: legal
- modern: legal
- pauper: legal
- standard: banned
- vintage: legal
- pioneer: legal
Rulings
- 2013-01-24:
If a creature card in a graveyard has X in its mana cost, that X is considered to be 0.