It's nice to see that Magic 's team didn't just stick with the most famous use of Phoenix Down, and took the design one step further to reference each of its uses in Final Fantasy
"A Whole New World" is an incredibly potent Steel Ink Song, accessible to characters costing 5 or more Ink
1 rulebook
It costs a lot of mana but lets you storm off in the late game if you have Lessons in your graveyard along with a cost reducer like Goblin Electromancer
It gets even better if you build around it by playing spells you especially want to copy, but assuming you are in the right colors, Dualcaster Mage is the first card I'd put in every Naban, Dean of Initiation Commander deck I build
Each is based on one of four games, with FF6, FF7, FF10, and FF14 all receiving the honour