The First Sliver [Modern Horizons] Wraith Noble Each opponent loses life equal

Each opponent loses life equal to those cards' total mana value

and plan accordingly

The library's scrolls have long since crumbled into swirling desert sands

you may search your library for an instant or sorcery card with converted mana cost 2 or less

Whenever you tap a permanent for {C}

The First Sliver [Modern Horizons] Wraith Noble Each opponent loses life equalSet: Modern Horizons Type: Legendary Creature Sliver Rarity: Mythic Cost: {W}{U}{B}{R}{G} Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.) Sliver spells you cast have cascade.