Generic typal support pieces like Herald's Horn and Cavern of Souls are perfect for these decks, whether that be ninjas, zombies, elves, or something less popular like avatars and rebels
The strategy never really found a foothold in Legacy, Extended, Modern, or anywhere else that I could find, with the exception of niche 1998 format Old School
Optional Inclusions: Ultimate Price instead of Doom Blade, I was originally going to include Go for the Throat so that artifacts couldn't be targeted (to illustrate cards that can't target everything) but saw the price
Theres a lot of inspiration to pull from to make some very resonant and charming cards
Whenever an opponent casts their second spell each turn, draw a card
You could also decide to simply play something like Mox Opal as your Precious to consistently have fast mana starts