Necromba Ahé, Martyr Necromanc

Deathtouch, Menace
When This creature enters your graveyard from anywhere, draw a card, and return this card to your hand
{2}{b}{u} Search your library for Azov Zarek, Reveal it, put it into your hand, then shuffle your library
Sacrifice this creature, Azov Zarek gains indestructible until end turn
Sacrifice 3 nontoken creatures: Transform Necromba Ahé, Martyr Necromancer