Group hug is a deck theme that has you giving advantages to your opponents such as extra lands or cards to draw, in exchange for either greater advantages for yourself or temporary truces among your opponents until you have enough of an advantage to win
The Miracle Worker deck works primarily with Aminatou, Veil Piercer, a white, blue, and black commander that lets you both surveil the top two cards of your deck at the start of your upkeep, and then gives all your enchantment cards in your hand miracle, while also reducing their miracle cost by four generic mana
The gold treatment may be more sensitive to environmental factors
2017-11-17 If a card in a players library has in its mana cost, X is considered to be 0
This is because they can destroy the other creature in combat without being dealt damage by it, circumventing the high power values seen in many defender creatures
It does put you down a card, but it is still an incredibly powerful way to protect whatever you are doing on your own turn, and the ability to hit opponents' commanders and large creatures even while tapped out is notable