Araumi of the Dead Tide

{t},Exile cards from your graveyard equal to the number of opponents you have:Target creature card in your graveyard gains encore until end of turn. The encore cost is equal to its mana cost.(Exile the creature card and pay its mana cost: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.)