Scorpio, SoulRender

When Scorpio, SoulRender enters the battlefield,
exile up to X other creatures.
You may cast cards exiled by Scorpio, Soulrender
for as long as they remain exiled, and you may
spend mana as though it were mana of any type to
cast those spells.
{1}{b/g}{b/g}:When a creature dealt damage by Scorpio, Soulrender dies this turn, exile it instead