(We can always change the creative to shift a creature to a new creature type.) That got us to 74 creatures
Or you could lose, that can happen as well (although it's much less likely with Tectonic Reformation on your side!)
In this case, the spell side provides an infinite-hand-size emblem while drawing you lots of cards, and the Sea Gate, Reborn side is an untapped mana source if needed early on
With enough soul sisters or incidental sources of lifegain in play already, you might even get a trigger right away, making this a buffed up Karmic Guide with some longevity
Based on round-by-round results from Regional Championships earlier this year together with my own observations since then, Izzet Prowess appears favored against Four-Color Control but is relatively weak to Selesnya Offense
Panoptic Mirror Powerful enough to have been banned in Commander, Panoptic Mirror allows you to imprint any instant or sorcery by paying its mana cost and tapping Panoptic Mirror