If you are interested in thinking through all sorts of combinations, developing new game schemes, and you, in principle, like games for logic and tactics - choose MTG
It is also perfect for storing a two color commander deck
Here are just a few: Reckless Fireweaver + Malcolm, Keen-Eyed Navigator: The key here is transforming Fireweaver and then either attacking to deal damage or playing an artifact for infinite damage
Merlin, Goat Un-baa-lievable potential The Sword in the Stones Arthurian wizard Merlin is one of Rise of the Floodborns most inventive characters, arriving in not just a single card but a series of four cards that represent the sorcerers power to transform himself into different animals: Goat, Crab, Squirrel and Rabbit
Demonlord Belzenlok is a powerful card even in a vacuum, entering as a 6/6 flying trampler and drawing at least one card in the process
She had no idea where hed acquired the card when he was 8 years old, but presumably from sealed product