Historical Rules · 18 June 2021
Rule 702.82c
Official source text from the 18 June 2021 Rules release
Devour [type] is a variant of devour. “Devour [type] N” means “As this object enters the battlefield, you may sacrifice any number of [type] permanents. This permanent enters the battlefield with N +1/+1 counters on it for each permanent sacrificed this way.”