You Come to a River

The two halves fit together the way a design team splits a spell when it wants to charge one cost for two problems that never come up at once. The bounce mode is a straightforward tempo swing, an answer to a permanent you did not plan for. The unblockable mode is proactive, a way to push through a lethal or connect a combat-relevant creature past a stalled board. What makes the split coherent rather than arbitrary is that both are things a tempo-minded blue deck genuinely wants: interaction when it is behind on the board, reach when it is ahead. The +1/+0 is trivial on its own, but it makes the evasion clause honest, nudging a creature just enough that a chump-block math becomes lethal math. The name-and-choice framing (a river you can fight or find a crossing for) is the storybook conceit that dresses the modality, but the mechanical read is plainly a Vapor Snag stapled to an Aqueous Form effect, priced so that holding it up rarely feels like a wasted card. Modal instants like this trade raw power for the luxury of never being dead: you are paying a small premium over either single mode to guarantee the card does something the turn you draw it.