You want to focus on big, impactful creatures that really shake up the board state upon entering the field, and who can continue to disrupt the game as long as they are on the field (or, possibly, by coming back from your Graveyard again, and again, and again) Protecting Yourself from an Early Grave, and Knowing Your Match-ups Reanimator decks also dip into forms of spot removal
Furthermore, there's a serious question of if Treasure Cruise is even a better card than Murktide Reagent, as the two cards both are battling for the same resource
I found this on Reddit, so I don't recall it being in the Japanese patch notes
I expect this to become an interesting card to reanimate since you always get a solid two-for-one, but Im not sure I want to spend 9 mana on it
Bloomburrow is the first set to seriously grant Otter support to MTG