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."
Enchanters add layer upon layer of complexity to the world around them.
Near Mint - $19.200
Lightly Played - $15.400
Moderately Played - $13.500
Heavily Played - $11.600
Damaged - $9.700
Near Mint Spanish - $19.200
Lightly Played Spanish - $15.400
Moderately Played Spanish - $13.500
Heavily Played Spanish - $11.600
Damaged Spanish - $9.700