There are some more minor options in Red and Black utilizing more of a ritual-style ramp effect, but outright ramps is a bit more of a rarity, especially on ETB creatures
For me, this deck is suitable for both new players who want to play a leader representing a popular character from One Piece because it is relatively easy to pick up, as well as for more seasoned players who will see a range of possible strategies in the deck.
however, it has an eye watering, in-game Ink cost of 8
There's also always the risk of not having enough follow-up to the Wire, or facing opponents who can cast their spells during upkeep, but often that is worth the risk
That enter the battlefield ability kind of carries it
Once sufficiently buffed, Esper Sentinel wont only be a force to be reckoned with