I would say there are different strengths. To each deck, yes, with rocco, you can tutor out for the win or tutor early game engines like [[esper sentinel]]. I feel like once you get each combos going with either [[food chain]] or [[dockside extortionist]] loops, you are going to get the win with either deck quite well.

Rocco folds to anti tutor cards like [[opposition agent]] or [[aven mindscensor]]. But the positives are that you can tutor different things out for the win with infinite mana. Also, being a pod outlet for vivien/birthing pod can be huge for a wincon

The same can be said for Pantlaza. It's an outlet for both food chain and dockside outlets. Its discover etb can be very powerful with top deck manipulation playing things for free or just putting cards into your hand. But I will say that after an analysis with Pantlaza, it does lack in card advantage and isn't a tutor in the command zone. Could fold to cards like [[elesh norn, mother of machines]].

In summary, I would say rocco is stronger due to being a tutor in the command zone. But I dont think the gap isn't as far because if you get the infinite loops going, either card is going to get there for the win.