These things thrived during the Ice Age, and apparently acted as the apex predators
Simic Ramp was fighting with Golos Field to be the cheese that stood alone, and now Field is gone, leaving a deck that runs four Oko and the no-questions best deck
Some cards you might want to splash are Sephiroth's Intervention, Kefka, Court Mage, Machinist's Arsenal, and Seifer Almasy
Realmwalker, Capricious Sliver, Regal Sliver, Synapse Sliver, Titan of Littjara, For the Ancestors, Windfall (lul), Distant Melody, Herald's Horn, Icon of Ancestry, Vanquisher's Banner 11 card draw
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Since it creates Pests, it is particularly suited for Golgari, but it is generally worth including simply for being a standard green creature that leaves behind a successor