The owner of this deck hasn't added a sideboard, they probably should...
Start typing a card name and use the auto-complete feature to quickly select the card you're trying to add. Enter a quantity and add that card to your sideboard!
Submit a list of cards below to bulk import them all into your sideboard. Post one card per line using a format like "4x Birds of Paradise" or "1 Blaze", you can even enter just the card name by itself like "Wrath of God" for single cards.
An attempt at a merfolk mill deck, which came out more to the effect of mill/counter.
Cast your merfolk creatures to mill, and propaganda to protect yourself. Use lullmage mentor and the counter spells to get more merfolks, and merrow commerce to untap them at end of your turn. Deprive is a useful counterspell in this deck thanks to the low cmc cost of most cards.
This deck has been viewed 7,866 times.