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 - $15.120
Lightly Played - $13.610
Moderately Played - $11.340
Heavily Played - $9.080
Damaged - $6.050
Near Mint Spanish - $15.120
Lightly Played Spanish - $13.610
Moderately Played Spanish - $11.340
Heavily Played Spanish - $9.080
Damaged Spanish - $6.050