Combos Utilizing Volrath-sq-s-Stronghold

spend 1b & tap stronghold to move a creature from your graveyard to top of your library. use call of the wild to put that creatures into play for 2gg mana

sneak the anarchist after time walk. when it dies, bring it back (any every turn recurrsion will do: recurring nightmare, tortured existense/squee) infinite turns.

Keep Sacrificing Bottle Gnomes and then bring it back with Volrath's Stronghold so you can sacrifice it again and gain more life

Use the Sneak Attack to play the Avalanche Riders. Destroy one of your opponent's land, attack him, then sacrifies Riders to Phyrexian Tower and use the mana to return the Riders to your library

get a draco in to the graveyard, after your draw phase use stonghold to put it on top of your library,then use erratic explosion, sneak attack the anarchist, rinse and repeat :) 16 damage repeatable

play volrath and volrath's stronghold then next turn before your draw step use his ability with an expensive creature, volrath's stronghold puts the card on top of your library now draw and reapeat.

have a Volrath's Stronghold in play play Bone Shredder and kill a non-blackartifact creature Next turn don't pay shredder's echo use V's Stronghold to bring shredder back 2 hand repeat.

daring apprentice...what a freaken staple in a black/red deck eh.. :)

Sneak the Leviathan, than sack it to the Tower and use the mana to return it to the top of your library

after activating the pyromancy (hopefully a big creature) use the stronghold to put the card back on your library. next turn you'll have the big creature again for the pyromancy. so on and so on.