|Shadowmoor, |Eventide, |"can't be played", |"can't play" (2)
Target player can't play lands this turn if was spent to cast this spell and can't cast creature spells this turn if was spent to cast this spell. (Do both if was spent.)
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.
Gatherer works better in the Companion app!