A fairly common build for this style of deck is to only run massive creatures like Eldrazi Titans in your deck while playing spells that can create tokens for you to sacrifice
2 Ogdoabyss The Ogdoadic Overlord Ogdoabyss, The Ogdoadic Overlord, is a member of the Ogdoadic archetype and is the most powerful monster within the archetype in terms of raw attack power
This effect becomes the sent monster's effect where it discards itself to activate
The flavour text is, uh, one of those newspaper ads of single dudes looking for partners
Jecht, Reluctant Guardian [Borderless Foil] #363 (Magic Final Fantasy | Magic Cards) prices are based on the historic sales
You can, however, use them for synchro summons, tribute summons, or just to activate this cards effect