Vraska, Ferrão da Traição / Vraska, Betrayal's Sting

Vraska, Betrayal's Sting
{4}{B}{B/P}
Legendary Planeswalker — Vraska
Compleated ({B/P} can be paid with {B} or 2 life. If life was paid, this planeswalker enters with two fewer loyalty counters.)
0: You draw a card and lose 1 life. Proliferate.
−2: Target creature becomes a Treasure artifact with "{T}, Sacrifice this artifact: Add one mana of any color" and loses all other card types and abilities.
−9: If target player has fewer than nine poison counters, they get a number of poison counters equal to the difference.
6