Not only can he Shift into play for a meager three ink, but he's worth two lore and gains a further two when he defeats someone in a challenge
Several Spell and Trap Cards can only be activated or gain additional effects when a certain monster is on the field, an example being the signature move series
2014-11-07 If a triggered ability granted by a lieutenant ability triggers, and in response to that trigger you lose control of your commander (causing the lieutenant to lose that ability), that triggered ability will still resolve.
Akora TCG Spellbound Wings 1st Edition Booster Box (20% off) | 217 Comics Cards & Games
Synchro decks are notorious for being able to synchro summon again and again, meaning you could be drawing a whole bunch of cards from this guy over a few turns (or even in one turn, if youre lucky enough)
R Rare Ha-Re the Sword Mikanko X FIRE Level 3 [ WarriorEffect ] ATK 0 DEF 0 If this card is not equipped with an Equip Card, you take no damage from battles involving this card