Food for thought: only five other cards in Magic let you pull any creature or artifact from the yard to hand: Emergency Weld, Fortuitous Find, Remember the Fallen, Restoration Gearsmith, and Treasury Thrull
A single treasure from a card like Prosperous Innkeeper can push you ahead one turn, enough to turn the tide of a game in your favor
Gilgamesh, Master-at-Arms Series: From Final Fantasy V and later Spoiler Level: Low Well not exactly the unique effect, with multiple cards over the years representing similar abilities
One other cool thing I'll call out here is that the creative for
Dealing direct damage to battles to bring the Phoenix back could be superior as flipping battles actually progresses your board state in many cases whereas dealing direct life point damage with spells does not
Bumbleflower Storm wins a possibility