Which option makes more sense depends heavily on factors such as available time and ones own financial situation
Creatures like Zo-Zu the Punisher and Mogis, God of Slaughter can reliably deal damage to opponents at almost every turn, and each time they do, Valgavoth will gain a counter to each of its stats
As with much of my list, even for a virtual vanilla creatureI will remind you that enters the battlefield triggers were not actually introduced to Magic until Mirage being close to or on curve for their size is enough for them to stand out
My flip Tamiyo from Modern Horizons
Though it doesnt look the part (in my opinion at least), that certainly hasnt hurt the value of the Mishras Workshop card, which will set you back at least a few thousand dollars if you want to get your hands on it
Many of the Humans are good to play on their own, Duskwatch Recruiter