Lets start with the bad news first: five-drop creatures dont have a very long history of being Modern playable, especially in recent Modern, although cards like Primeval Titan, Omnath, Locus of Creation and Yawgmoth, Thran Physician show us that more expensive creature can see be Modern staples if they have a big enough immediate impact on the game
As a game, its a bit more complex than Pokemon, with a large amount of mechanics and rules to remember, but if you take the time to learn it, it can be great fun
There was a lot of theorycrafting in the cEDH community that focused on how to know what number to pick in order to draw the most cards
Lets see if I can help you conjure up some interest in spirit commanders for EDH
Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Legal Toolbox Buy This Card Notes and Rules Information for Eerie Ultimatum: You choose which permanent cards to return while Eerie Ultimatum is resolving