Merfolk decks with Kopala, Warden of the Waves or Svyelun of Sea and Sky already make their board difficult to interact with by taxing their opponents - adding in another low mana value counterspell further improves the resilience of your already established board
If you spread your attacks out across all three opponents, you can Goad three creatures a turn with no real resource investment
Millstone, unfortunately, was not reprinted in Magic 2010, so now the card that defined the slang is no longer in print or even available in the Standard environment
Sure, you have to sacrifice her after the fact, but Id say a game win is more than worth it
The tournament did not go well for me
You can also download the Lorcana Companion App where you can view foil card animations