His -5 gives you an emblem that makes it so you can tap your Mountains to deal one damage to any target
Persist ( Kitchen Finks, Heartmender, Murderous Redcap, Cauldron of Souls, Puppeteer Clique, River Kelpie, Woodfall Primus ): Using a creature with persist to emerge leaves a smaller body than undying creatures, but they often have some sort of enters-the-battlefield effect
The counter option is nice in Soldier Typal, or just as a bonus if you have your Commander out
See what Unruly Catapult, Blisterspit Gremlin, and Tunneling Geopede can do and bring those life totals down
Again, just like 'Orb' and 'Graveborn', since the card text specifies the token as a 'Splinter', this also means that Splinter is somehow still a creature type nowadays
It is an efficient equip, provides a massive upgrade, and the chip shots are free value on top of all that