The higher-cost historic spells could be Akroma's Memorial and legendary Eldrazi spells like Ulamog, the Ceaseless Hunger and Ulamog, the Infinite Gyre
Its functionally much worse than the top of your library or your hand, so its kind of thrown around a lot more
Vito, Fanatic of Aclazotz If there were ever a card to justify adding Smothering Tithe to a deck, it would be Vito, Fanatic of Aclazotz
This is generally a more effective strategy, as most cards with Deathtouch have low power, meaning even if they did hit an opponent they wouldn't be able to do very much damage
It's one cheaper, rarely stays around unless you want to spend 10 total mana, and then rocks flying and pro Black to block safely for the turn and is just one color