Elusive Otter // Grove's Bounty

The evasion clause is the quiet workhorse here: a 1/1 that most creatures can block on their own, but stack a few noncreature spells and prowess pushes its power past the blockers who could have stopped it, so the ability keys off the exact stat prowess is inflating. It reads as a self-solving problem: the more spells you cast, the bigger the otter gets, and the bigger it gets, the fewer creatures are legally allowed in its way. That closes the loop most small evasive creatures leave open, where a chump blocker can eat an attacker regardless of how large it grew. Grove's Bounty is the other face, and it wants a different game state: it distributes counters that stick permanently across your creatures, and (unlike prowess) those pumps outlast the turn. Casting it exiles the card and parks the otter for later, so the spell you play now becomes the body you deploy afterward. The sequencing matters because the otter is not on the battlefield when you cast Grove's Bounty, so its own prowess never fires from its own Adventure; the counters land on the board you already have, and the evasive attacker arrives on a later turn. Adventure has always been about wringing two cards' worth of relevance from one slot, and the honest tension here is a timing one: the sorcery is at its best when you have creatures to buff, while the otter is at its best when you have a full grip of noncreature spells to feed it. One card asking you to choose which half the turn belongs to.