For Yshtola, it came down to a mix of popularity of the character as well as being a spellcaster, her story and character development offered a wide range of abilities and moments to pull from to lead the deck
I wasn't able to track down a specific issue where this panel appears (please let me know in the comments if you do!) but there's a good chance it's from Maximum Carnage, a big storyline that spanned through all the ongoing Spider-Man comics in 1993, and saw Carnage do what he does best, spread death and havoc, this time with a makeshift "family" of superpowered maniacs
We've got land upgrades with Ash Barrens, Fetid Pools, and Irrigated Farmland, and another board wipe option with Decree of Pain
This Kaldheim god's ability to attach equipment for free and give all equipped creatures double strike can transform a board state from mid to monstrous, and his backside isn't bad either
However, I have yet to find a matchup where this would be relevant, so I have not included Rescue Stretcher in my list
Other cards with Cut Up Cards by Hitoshi Ariga Frequently Asked Questions How can I obtain the Pawniard with 1-Diamond rarity from the Pulsing Aura set
