Combos Utilizing Helm-of-Obedience

the peacekeeper keeps you from being attacked, while you mill their deck away. if they can't kill the little bastard, they have some serious trouble.

Put Bazaar of Wonders into play. Cast helm of obedience and put cards into opponent's graveyard. If any are spells, opponent can't cast a spell with same name.

start w/ a helm in grave and a helm + gw in play. activate helm, respond by swapping helms w/ gw. when helm resolves, get a creature, you don't lose helm since the helm used is gone and replaced.

burn their library, to steal one of their creatures, to burn their creature and more of their library

when 1 of each urza's land are in play, they give 2 or 3 mana each when tapped. tap them & helm to to move lots of your opponent's library to his graveyard & take control of one of his creatures.

put any creature in opponent's graveyard on top of his library with Misinformation, then use helm to take desired creature

first you Denying Wind an opponent and remove all their creatures. Then you repeatedly use Helm of Obedience to grind down there deck with nothing to stop you but your own amount of mana

wait for a very strong creature, then use the temporal spring to put it back into his/her library and the helm od obedience to get it for you, or the millstone to put it in the graveyard.