Skullcage 
Artifact
Only a focused mind can survive it.
Artist:
Ron SpencerShare:
Text:
At the beginning of each opponent's upkeep, Skullcage deals 2 damage to that player unless they have exactly three or exactly four cards in hand.
Rulings:
- 12/1/2004 Skullcage’s ability deals damage if the player has zero, one, two, five, or more than five cards in hand when its ability resolves.
- 12/1/2004 Skullcage doesn’t check hand size when it triggers, only when it resolves.
Legality:
- standard: Not legal
- future: Not legal
- frontier: Not legal
- modern: Legal
- legacy: Legal
- pauper: Not legal
- vintage: Legal
- penny: Legal
- commander: Legal
- 1v1: Legal
- duel: Legal
- brawl: Not legal
- oldschool: Not legal
- historic: Not legal
- pioneer: Not legal
- gladiator: Not legal
- premodern: Not legal
- historicbrawl: Not legal
- paupercommander: Not legal
- alchemy: Not legal
- explorer: Not legal
- predh: Legal
- oathbreaker: Legal