Against more aggressive decks, the lifegain is a reliable way to stabilize after taking some early damage, while giving it or another creature vigilance allows you to play aggressively and defensively
Ive also found it impactful in token lists using enchantments and planeswalkers like Bitterblossom and Elspeth, Sun's Champion for token production as you can easily line up a bunch of tokens coming into play before casting this
Thundering Sparkmage Thundering Sparkmage could have some potential if it read X damage to any target. Unfortunately it says X damage to any creature or planeswalker . Build-your-won Flametongue Kavu is always a fine payoff for a strategy, but always begs the question why you wouldn't just play Flametongue Kavu instead
Now white players get to join in the fun and ask, along with every person casting Rhystic Study, do you pay the one? Im not one to gush over Simic commanders, but that was before I saw Grolnok, the Omnivore
However, we've got a pretty solid list of the best Bloomburrow cards