Eltarai, Dark Ambassador

+1: Create X red 0/1 illusion creature tokens with haste, where X is the number of creature cards in your graveyard.
-X: Exile target creature card with mana value X or less from a graveyard. Create a copy of that creature.
-8: You gain an emblem with "Sacrifice a creature: Return target creature card from your graveyard to the battlefield under your control."