The only downside I see is that it doesn't do anything on its own, which means that, in addition to a big target on its back, even in the perfect conditions opponents-wise, we might end up not casting it because our other cards aren't good enough in that spot
2018: Teferi, Hero of Dominaria After a disappointing 2017, Magic in 2018 played the hits: we went back to Dominaria and to Ravnica for a reset after the gritty and ominous Amonkhet and the vibrant but inert Ixalan
More importantly, they can serve as a secondary commander for your deck
For instance: Creatures (12) Planeswalkers (3) Lands (23) Spells (22) The real wildcard here is of course Ice-Fang Coatl
Beyond this, Ocelot Pride can also only copy tokens that have been created this turn
Because of this, you'll want to include several creatures with flying or haste or ways to give them those abilities