This is what's referred to as an 'outlast lord,' a creature that benefits all your creatures with +1/+1 counters
This is one of my oldest EDH decks, and I stuggle mightily at times deciding which cards to replace in the 99 because, at least through my eyes, the deck list has become very, very tight over the years (about ten years)
Spring // Mind Spring // Mind lets you ramp with mana and gives you a card draw
Drawing a card and then immediately discarding a card has been a Magic mainstay for many years
Overall) - Carmen, Cruel Skymarcher Welcome to our first legendary dork to lead your Commander deck
I love it in ramp to win the game and make your other big stuff trample, madness, discard matters, Golgari self-mill, Jund's Lord Windgrace lands return to the battlefield from the graveyard, Sultai's self-milling Sidisi, Brood Tyrant, blink, midrange, tokens, and loads more