At the beginning of each upkeep, if you don't control a Pest creature token,
createTo create one or more tokens with certain characteristics, put the specified number of tokens with the specified characteristics onto the battlefield.
If a replacement effect applies to a token being created, that effect applies before considering any continuous effects that will modify the characteristics of that token. If a replacement effect applies to a token entering the battlefield, that effect applies after considering any continuous effects that will modify the characteristics of that token.
Previously, an effect that created tokens instructed a player to “put [those tokens] onto the battlefield.” Cards that were printed with that text have received errata in the Oracle card reference so they now “create” those tokens. (CR 701.7) a 1/1 black and green Pest creature token with "When this token
diesIs put into a graveyard from the battlefield. (CR 700.4), you gain 1 life."
If you would gain life, you gain that much life plus 1 instead.