mtg foundations cards All Variants Revealed 13 double Magic The Gathering Foundations Spoilers:

Did we cover the hits you expected

All for a cheap four-color cost that, at the time, was very easy to get around to summon it for free

Beast Within is the best green removal spell

Gavi cheats on cycling mana and allows you to get away with expensive cycling costs

While it's a fine card and scales throughout the game, there are a ton of graveyard-centric / reanimation decks in Commander, and it seems unlikely that Gyrus, Waker of Corpses will beat out most of the pre-existing options outside of something like Jund Hydra tribal (and then, it's not even that good with many Hydras since they are X-creatures, which won't work with the reanimation ability)