That payoff comes first from miracles: Miracles provide the ultimate value for manipulating the deck, but we can do even better by using cards that have effects that deal damage or have effects based on the top card of the deck being revealed: Combining these cards with large casting cost spells (aftermath spells like Commit // Memory and Rags // Riches are perfect for this) and deck manipulation means you can do large amounts of damage off the top of your library each turn
Running for around $130 at market on TCGplayer right now, this is still a hot card to come by, even if it just misses out on a top ten ranking by value
The best way to do this is to ensure you always have creatures on hand to sacrifice
5 Finale Of Devastation Grab That Craterhoof One of the best tutor spells in green, Finale of Devastation lets you grab quite literally any creature from your deck or even from your graveyard, and slam it on the battlefield, so long as their mana cost is equal to or less than X
Sac the big creature, get that payoff, then sac all the little artifacts, too