As a creature, you get an impulse drawn card at that opportune moment when you start to be able to cast any card in your deck
Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents of their choice.) Trample Illustrated by John Tedrick Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
Cards like Call of the Ring, Ringsight, Sam's Desperate Rescue, and Sauron's Ransom all easily slot into that version of the deck
If you want to be naughty, you can search your opponents library for a card and steal it
There arent many cards that reward slowing the game down like this without becoming punishing control decks
Also, Lord Skitter is a must-have for the black-red "aristocrats" draft archetype, which is based on not just creature sacrifice, but also mild Rat typal strategies