When it ETBs, you're going to get one creature out of eight cards (four of yours and four of your opponent), and because of your deck restriction it's pretty positive that you'll get a free creature out of the deal
SR Super Rare Crimson Knight Vampire Bram X DARK Rank 5 [ ZombieXyzEffect ] ATK 2500 DEF 0 2 Level 5 Zombie monsters You can detach 1 material from this card, then target 1 monster in your opponent's GY
Elesh Norn, Grand Cenobite Elesh Norn, Grand Cenobite is one of the best Praetors, even if it costs seven mana
Whats Reverse Threshold
Many archetypes have a card that will let them draw through their deck, such as "Sky Striker Mobilize - Engage!", "Folgo, Justice Fur Hire", and "Runick Fountain", but have some sort of archetype restriction on it requiring the player to jump through hoops or set up a condition for it to offer maximum benefit
Korvold's cost-reduction ability doesn't affect the colored mana in its mana cost