First, lets briefly look at some bad flavor text from other card games, both so we can learn what doesnt work and also so I can poke fun at Magic: The Gathering
It wasn't the most impactful set either, with very few cards making a splash in various formats
Tricky Terrain and Tricky Terrain Collector's Edition 0002_MTGMH3_CmdFace: Omo, Queen of Vesuva 0008_MTGMH3_CmFeatur: Jyoti, Moag Ancient 0145_MTGMH3_Vanity: Omo, Queen of Vesuva 0141_MTGMH3_ComPorEc: Omo, Queen of Vesuva 0140_MTGMH3_ComPorEc: Jyoti, Moag Ancient 0149_MTGMH3_EclVanty: Omo, Queen of Vesuva Check out the cards from Tricky Terrain and Tricky Terrain Collector's Edition in the Modern Horizons 3 Card Image Gallery
You dont need to get around hand size restrictions as much, and Crypt Ghast also provides a form of extra mana and plays into your overall strategy, so this seemed like a good swap
Kefka, Court Mage (Borderless) (FIN-322) - FINAL FANTASY Foil Kefka, Court Mage (Borderless) (FIN-322) - FINAL FANTASY Foil Wizards of the Coast Whenever Ketka enters or attacks, each player discards a card