Ward of Bones

Oracle Text

Each opponent who controls more creatures than you can't cast creature spells. The same is true for artifacts and enchantments.

Each opponent who controls more lands than you can't play lands.

Card Rulings

8/1/2008 Spelling this out completely: — Each opponent who controls more creatures than you can’t play creature cards. — Each opponent who controls more artifacts than you can’t play artifact cards. — Each opponent who controls more enchantments than you can’t play enchantment cards. — Each opponent who controls more lands than you can’t play land cards.