Combos Utilizing Hell-sq-s-Caretaker

sacrifice scrivener for a scrivener, returning any instant card to your hand from graveyard. counterspell, swords to plowshares, lightning bolt... you get the idea.

sac hapless research to draw a card then discard hypnox sac the caretaker to bring hypnox into play then in a few turns you win

get hell'

Now you have a thrull that is produced each turn. Use the caretaker to exchange it for a dead creature. Now your opponents also lose a creature. Repeat

Stick out the Homarid spawning bed, bring out polar kraken and hell's caretaker. Sacrifice Polar kraken to homarid spawning bed, then sacrifice a token to regenerate polar Kraken. And repeat.

bring out your sengir autocrat (you must have at least 2 of them in your deck)

use the caretakers to bring eachother back from the graveyard to deal infinite damage. also works with angelic chorus for infinite life.

play verdeloth the ancient, sac it for caretaker to bring something into play, sac a token to bring verdeloth into play, add 1 green mana to your mana pool for each creature you control, tap restorer.

play hermit/ flicker him/ mirari flicker/ next turn don't pay echo, sac squirrel, bring him back/ repeat

sacrefice the two hell's to each other and continue doing so untill there is nothing left