Thats not going to happen this time, though
If you gain an amount of life "for each" of something or "equal to the number" of something, that life is gained as one event and Leonardo's last ability triggers only once
If this card is sent to the GY: You can add 1 Beast, Beast-Warrior, or Winged Beast monster from your Deck to your hand, whose Level is less than or equal to the number of your banished Beast, Beast-Warrior, and Winged Beast Monster s
Even once its equipped, it feels pretty slow compared to other powerful Equipment like Embercleave
The play options can go from there, with certain Superheavy Samurai monsters like Wagon, Soulhorns and Soulpiercer all having attach effects and tribute effects that can help fetch and summon more monsters including Baronne and the fearsome Superheavy Samurai Brave Masurawo, alongside the deck utilising Synchro and Link summoning mechanics and you have yourself a very complex series of mechanics
FoW also gives some combo decks ways to protect their combo, even as they tap out to try and win the game