Calix comes down earlier, its true, but having more than one of this effect in your deck isnt exactly bad
Combining the different themes is easy because it all uses the same mechanic and gives you great amounts of freedom on creating a style of deck you like
Gain 4 life anyway
Adaptive Snapjaw Battering Krasis Clinging Anemones Cloudfin Raptor Crocanura Darwin, Adaptive Mutant Dinosaur Egg Elusive Krasis Experiment One Fathom Mage Gluttonous Slug Gyre Sage Lonis, Genetics Expert Loopy Lobster (playtest) Pollywog Prodigy Propagator Drone Ray Fillet, Wave Warrior Renegade Krasis Scurry Oak Shambleshark Simic Fluxmage Simic Manipulator Tyranid Prime Watchful Radstag
Even though individual tokens tend to be weaker than regular creatures, a plethora of buff spells, anthems, and sacrifice effects more than make up for it
I can't kill your regular creatures with my Boseiju, Who Endures because it only kills enchantments