I often trim some of our three-mana mill counterspells to make room for Negate and Mystical Dispute in matchups where they are necessary
If they have any sacrifice outlet or discard outlet, let the sabotage commence, otherwise you can initiate self-destruction with an instant-speed edict like Tergrid's Shadow and sacrifice the two best creatures instead of their worst
Signets are also a good piece to filter our mana into the desired colors
Well, one of the coolest parts of Magic is its history, so we're pulling a trick from Time Spiral and Mystery Booster
Like i mentioned in op this isnt and never will be a full list since i have no interest in buying all the cards in this theme, for example a big chunk of new AR cards are connecting but i dont want them
Imagine if Born of the Gods had a vanilla creature with no abilities, but which cost just 1 mana and was a 3/3