Launch the Fleet

Strive — This spell costs {1} more to cast for each target beyond the first. Until end of turn, any number of target creatures each gain "Whenever this creature attacks, create a 1/1 white Soldier creature token that's tapped and attacking."

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6ogn6gbyojpb1h3fmivbrw.