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

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

Set: Fourth Edition Type: Artifact Rarity: Rare Cost: {2} Whenever a land enters the battlefield

Set: Magic Player Rewards 2001 Type: Token Creature — Elephant Rarity: Common It's not slow

This effect doesn't remove Green Ward

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.