Arcane Laboratory
Seventh Edition — Uncommon
Enchantment
Arcane Laboratory rulings:
2004-10-04: When Arcane Laboratory enters, it will look back over the turn to see if any spell was cast before it entered the battlefield. It will notice itself being cast.
2004-10-04: If a spell is countered, it still counts as the one spell cast.
2004-10-04: When it leaves the battlefield, the effect ends and all players are able to cast spells unrestricted again.


