Retriever of Souls

Haste, Deathtouch, Vigilance, Menace, indestructible,
Reach, Lifelink, First strike, Double strike, Flash
{10}, {t}, Destroy all opponents permanents
and put hand in Exile
—Retriever of Souls gains +1/+1 counters
equal to the mana cost of permanents destroyed
"Thanos is a rat compared to him"