Because a combo deck requires the player to collect a series of different cards, the randomness of the library tends to slow down the deck
Should it die, it can prank your opponent by forcing them to put a card from their hand on top of their library
aggro decks will want to go under it, and control decks over it
Creatures (28) 3 Nantuko Husk 4 Restless Dead 3 Fleshbag Marauder 1 Sidisi, Undead Vizier 2 Risen Executioner 1 Shambling Ghoul 4 Jace, Vryn's Prodigy 4 Diregraf Colossus 4 Prized Amalgam 2 Drunau Corpse Trawler Lands (24) Spells (8) This list involves a lot of trying of various cards, but even when we tune the list, we may find ourselves wanting a diverse mix of Zombies, as many of them have diminishing returns
Open Hostility: Skullclamp, Lightning Greaves, Conqueror's Flail, Commander's Sphere, Sol Ring
If you have, say, two Defiant Strikes from War of the Spark and two from M21