Aura of Silence [Weatherlight] Magic 2012 Set: Portal Three Kingdoms Type:

Set: Portal Three Kingdoms Type: Sorcery Rarity: Rare Cost: {1}{G} Tap any number of untapped creatures you control

Set: Fourth Edition Type: Enchantment Rarity: Rare Cost: {W} At the beginning of your upkeep

but you may put it on top of your library instead of into your graveyard

This effect doesn't remove Green Ward

Set: Unlimited Edition Type: Sorcery Rarity: Uncommon Cost: {2}{G} Destroy target land

Aura of Silence [Weatherlight] Magic 2012 Set: Portal Three Kingdoms Type:Set: Weatherlight Type: Enchantment Rarity: Uncommon Cost: {1}{W}{W} Artifact and enchantment spells your opponents cast cost {2} more to cast. Sacrifice Aura of Silence: Destroy target artifact or enchantment.