Estrid's Invocation [Secret Lair Drop Series]Set: Secret Lair Drop Series Type: Enchantment Rarity: Rare Cost: 2U You may have Estrid's Invocation enter the battlefield as a copy of an enchantment you control, except it has "At the beginning of your upkeep, you may exile this enchantment. If you do, return it to the battlefield under its owner's control." When purchasing this unique product, please keep in mind that this card only appears in the Secret Lair Drop: The Fairest Drop of All and will