Aura of Silence [Weatherlight] Wizards Play Network 2010 Do-It-Yourself Seraph has the text

Do-It-Yourself Seraph has the text box of each card exiled with Do-It-Yourself Seraph in addition to its own

where X is the discarded card's mana value

Set: Weatherlight Type: Artifact Rarity: Uncommon Cost: {4} Whenever a creature dies

Set: Time Spiral Timeshifted Type: Sorcery Rarity: Rare Cost: {1}{G} Target player shuffles up to three target cards from their graveyard into their library

they put it onto the battlefield

Aura of Silence [Weatherlight] Wizards Play Network 2010 Do-It-Yourself Seraph has the textSet: 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.