This happens at the start of a game and whenever you search your library for a specific card(s)
At the start of your upkeep, you get to investigate for each opponent who has more cards in their hand
Designers responded to their mistakes in the wildly unbalanced 1999 Urza's block with an anemic batch of doo-doo cards, and Prophecy had some of the worst of them, like the Rhystic spells that were essentially useless if your opponent paid a drop of mana
I have disregarded any Alchemy shenanigans, because I dont want to take those seriously
Pokmon TCG Battle: Shining Fates vs
(-8 Loyalty: Target opponent gets an emblem with "Whenever a player draws a card, you lose 2 life."): Not ultimate enough, but it is a solid emblem that can win the game, only it needs help