First things first, is the card raw or graded
Lets try another approach: Creatures (10) 1 Den Protector 1 Dragonlord Ojutai 4 Jace, Vryn's Prodigy 1 Nissa, Vastwood Seer 1 Kalitas, Traitor of Ghet 1 Goblin Dark-Dwellers 1 Mindwrack Demon Planeswalkers (2) Lands (24) Spells (24) I like this direction
As such I had several copies of both Jeleva, Nephalias Scourge and Nekusar, the Mindrazer filling up space in my collection
The high value here is that the token creation is cheap and can be activated many times
Granting haste to all creatures and increasing the mana produced by basic lands can lead to very fast turns, but those benefits apply to everyone, not just you
Oloro is definitely a bit of an older Commander, as his precon came out almost 13 years ago , and while you can definitely build a lifegain strategy around him, I actually like that you can include him in various other Esper decks