4/4 Eldrazi Angel creature with flying and vigilance, for Angelic Aberration
Though it's a huge blow out if someone kills The Great Synthesis after chapter two, as you'll have bounced your own commander to hand and be left with no resources except the 14+ cards in your hand (how will you cope?), if you are able to get the final chapter off, it's basically a guaranteed game over
You want 0/3 reach in ramp decks to survive the early game and ramp
Skittering Cicada is the insect version of that, and it works wonders in decks like Ulalek, Fused Atrocity that benefit from creatures entering at instant speed
To me its somewhat fair since it doesnt stop opponents who are on a self mill plan - unlike Rest in Peace, for example
Many creatures have a "party creature type" almost coincidently tacked onto them, too, so the deck gets to play some generally powerful creatures that overlap with the strategy