You may have Estrid's Invocation enter the battlefield as a copy of any 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 - $8.890
Near Mint Spanish - $8.890
Lightly Played - $8.000
Lightly Played Spanish - $8.000
Moderately Played - $6.670
Moderately Played Spanish - $6.670
Heavily Played - $5.340
Heavily Played Spanish - $5.340
Damaged - $3.560
Damaged Spanish - $3.560