You want to keep your hand filled as much as possible so you never run out of things to do
Many other card styles will either be for purchase directly from the store or as part of a larger bundle
If there were fewer, I could maybe maintain a deck for each, but as someone who might play cEDH, Old School, Premodern, Legacy, Modern, Pioneer, Standard, Pauper, and even Vintage, its just too much to keep a tournament ready deck for anything I might want to play
Its your standard fare at four mana, but the Renew ability is wonderful
There are tons of Planeswalker cards to choose from, and you might be asking yourself which ones are the strongest and why
However, Im guessing that it is darn frustrating getting started with the services