Removal is always useful, and though you give your opponent Ink, you can remove a character from play, and prevent it from going into the discard pile to potentially be brought back
Sea Gates Restoration and Agadeem's Awakening are also really valuable
Only +1/+1 and -1/-1 counters cancel each other out
We can discuss power creep all you want, but a nearly identical card getting printed more than 30 years later with a restriction set to it should give you an idea of how good of a card this is
While paper results have shown some players doing well with white based Stompy lists with these cards, having the full weight of MTGO behind these cards means that the iterations of how strong this deck could be will be very quick
If you bargained Brave the Wilds and the target land is an illegal target by the time it tries to resolve, the spell won't resolve