I guess Ghalta and Mavren doesn't have the same profound effect on a game as Etali, Primal Conqueror, but a 12/12 trample must be dealt with the game will quickly come to an end
All these options are significantly less expensive than buying Cyclonic Rift, and they come with various advantages: they're cheaper to cast, they deal with permanents permanently, and as artifacts they can be tutored up easier with cards like Whir of Invention
Zen Takahashi Yawgmoth, Thran Physician is one of my absolute favorite cards in Modern at the moment, and Ive previously written about the Golgari Yawgmoth deck (which you can find here, where he is the marquee card
, Sacrifice another Vampire or Zombie: Put two +1/+1 counters on Kalitas
Pokemon cards I think are worth buying - McDonald's Pikachu (2025) - This card got expensive for a minute, went back down to $20-25
FFVIII's plot deals with time and the flow of it, which this card flavoring does pretty nicely I think