yugioh necromancer deck Bonz Duel 0 Defense Infernity Necromancer [DT04-EN052] Common -

If you prefer a more aggressive approach, you may get frustrated by some of the finesse of this deck, and what at times can feel like an over-reliance on Action and Song cards to really get going

Sauron, the Necromancer Legendary Creature Avatar Horror Menace Whenever Sauron attacks, exile target creature card from your graveyard

Delney, Streetwise Lookout While I generally dislike Panharmonicon-style cards that double triggers, Delney, Streetwise Lookout from Murders at Karlov Manor has enough of a restriction to make the value interesting

As one of the confirmed IRs, it brings extra collector appeal beyond the Mega Evolution theme

Finally, grab the rewards

This is a starting point, if you're building your first few decks and are trying to figure out why something's not working