Neither is objectively better, but the Japanese finish is widely regarded as more elegant
On top of that, it synergizes exceptionally well with Ninja of the Deep Hours, as it packs evasion, and since you can return it to your hand, you can keep scrying multiple times throughout the game
Second, apart from tribal Cats (which may or may not be possible, due to the lack of cards), the only other direction to go is equipment matters, which tends to be an expensive upgrade, since you'll want various Swords, Batterskull, and Stoneforge Mystic and friends
$1.99 Oildeep Gearhulk Aetherdrift $0.99 Squall, SeeD Mercenary Final Fantasy $1.29 Foundry Inspector Commander Legends $0.79 Thopter Spy Network Aetherdrift Commander Decks $0.79 Serah Farron Final Fantasy $1.29 Machinist's Arsenal Final Fantasy $6.49 Y'shtola Rhul Final Fantasy $2.49 The Regalia Final Fantasy $1.29 Thought Monitor Edge of Eternities Commander Decks $0.69 Depthshaker Titan Edge of Eternities Commander Decks $1.49 Emry, Lurker of the Loch Edge of Eternities Commander Decks $0.35 Mistvault Bridge Modern Horizons 2 0 results found
Four mana
I dont know if Beza, the Bounding Spring belongs in the main deck or sideboard, but it will see Standard play