They looked for a balance of concepts, a mix of MCU characters and characters from the comics, and a diverse array of representation
That said, there are a lot of Magic: The Gathering cards that could help make a powerful Y'shtola deck if you are looking for a deck to upgrade instead of one to play as is
Squirrel Wrangler is no Deranged Hermit, and might not even be a great card, but for 2 mana if you're ahead on lands and have Chatterfang on the field you can sacrifice a land, get two Squirrel tokens and then two more from Chatterfang
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Instant Color tag templates(None) Goblin Deathraiders Creature - Goblin Warrior Color tag templates(None) Goblin General Whenever this creature attacks, Goblin creatures you control get +1/+1 until end of turn
Card: 1 A special card that supports the gameplay and is unique in each collection