When Necroface dies , every player banishes the top five cards of their deck, so it's possible for Necroface, especially a loop of multiple Necrofaces, to run your opponent completely out of cards and end the game
shuffle from your GY into the Deck, either 1 "Elemental HERO" monster and 1 "Neo-Spacian" monster, OR 1 "Elemental HERO Neos", then draw 1 card
Cycling through your deck faster, to hunt out the specific cards you need, is always worthwhile
He only cares about whether or not a player can survive being Poisoned every turn
2 Doorkeeper Thrull No More ETBs Enter the battlefield triggers are some of those annoying things that your opponents try to do that always seem to mess your game up
Those wont be as relevant to us, but as well discuss, if a foil hits it big (Expressive Iteration, Im looking at you!) suddenly thats a very relevant number