When Huatli, Poet of Unity enters the battlefield, search your library for a basic land card, reveal it, put it into your hand, then shuffle.
: Exile Huatli, then return her to the battlefield transformed under her owner's control. Activate only as a sorcery.
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(Transforms from Huatli, Poet of Unity.)
I: Create two 3/3 green Dinosaur creature tokens.
II: Roar of the Fifth people gains "Creatures you control have ': Add . . or .'"
III: Search your library for a Dinosaur card, reveal it, put it into your hand, then shuffle.
IV: Dinosaurs you control gain double strike and trample until end of turn.