Getting this down to 2-cost with a Mickey on board is pretty good, especially if you can get it to a location
Her two abilities are Trance which lets you send the top two cards from your deck to the graveyard (called milling) and in return, Terra gains Flying, making her much more difficult to block
Singing I2I instead lets you ready the characters that sang it
Its not unreasonable to assume you might get to draw one or even two cards from Sram, but you shouldnt play it without enough ways to trigger it
It's got a more cohesive theme, not just aesthetically as the Pirate theme fits better with the whole sea angle, but also mechanically
Collecting the rarest cards can be fun, and each booster pack contains a mix of different rarities, with Enchanted cards being the most difficult to find