For one, you could always bring out a Tuner and Synchro with the tokens
I dislike the thirsty style art on some of the cards of female characters, so I hope whenever Nico Robin gets a high rarity card its tasteful
Surprisingly, Invasion of Shandalardoesn't have any restrictions on the permanents you can Regrowth, which means in a graveyard deck, you can set up some absurd value loops by using the battle to return two permanents and another copy of itself to your hand and then doing that again the next turn, but this is pretty slow
His special ability, Aether Veil, allows him to reduce damage taken from enemy attacks for one turn, increasing his durability in battle
But are they better than Once Upon a Time
Since the spell was cast, the associated permanent will still not be prepared.