Coastline Marauders is a uncommon Creature — Human Pirate card from Commander Legends (CMR), collector number 168. Current market price: $0.30 (foil $0.35), TCGplayer market prices via Scryfall.
Trample Whenever this creature attacks, it gets +1/+0 until end of turn for each land defending player controls. Encore {4}{R}{R} ({4}{R}{R}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)