Caissii, World Mind

Whenever a nontoken creature enters the battlefield under your control, populate. (Create a token that's a copy of a creature token you control.)
{2}{g}{w}, {t}: Create a token that is a copy of a
non-legendary target creature you control.
Activate this ability only any time you could cast a sorcery.
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After the fall of Conclave from the war, a new power