Necrodominance is a great recent example, creating a low-bracket-friendly version of Necropotence
While heavily criticized for its in-game economy and numerous bugs, MTGO has managed to stay alive despite facing many competitors over its two-decade lifespan
The Pokmon's distinct aesthetic and strategic importance in games have made it a staple in various Pokmon rosters
I think the first thing Id like to do is Other Peoples Decks features with them
Once you get into the free rental programs, you can immediately start building and playing Commander decks that would cost hundreds of dollars in paper, competitive budget Modern / Pioneer decks, and much more
Giratinas Levitate ability lets you swap it out from the Active spot for free, ignoring the triple colorless retreat cost, so long as it has an Energy attached to it