At the beginning of your upkeep, put a psionic counter on each creature you control.

Remove a psionic counter, discard a card: Exile target non-land permanent with mana value less than or equal to the discarded card.

Awakening — If Kechi, Wrathful Psion has four or more psionic counters, exile them and return them to the battlefield transformed.

When Kechi, Hatred Manifest enters the battlefield or attacks, put a psionic counter on all creatures.

Reality Erasure— Whenever Kechi, Hatred Manifest attacks, defending player exiles a number of permanents equal to the number of psionic counters on Kechi, Hatred Manifest.