Coastline Marauders

Trample Whenever this creature attacks, it gets +1/+0 until end of turn for each land defending player controls. Encore 4RR (4RR, 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.)