Lozano, Vengeful Lich

When this enters the battlefield after being cast,
exile up to 4 cards from your graveyard, and for
each card exiled this way, choose 1:
• Add {b}, {g}, or {c}.
• Surveil 1.
• Target creature explore.
{bull} Gain 1 life. Each opponent loses 1 life.
{b/g}{b/g}{b/g}: You may cast this from exile this turn.