The 001 copy of Ragavan, Nimble Pilferer, is one such example of this
You don't roll the die until the spell begins resolving
Organic Extinction is just what artifact decks needed
As long as the creature that attacked enlisted a creature this combat, when Aradesh's last ability resolves, the creature that attacked will still get double strike, and if that creature's power is 4 or greater, you'll still draw a card
Sometimes you'll toss this on your thing to try for an emergency problem or answer
So even when you cant quite assemble an infinite, simply playing the cards dealt to you will usually lead to lethally-large Body Droppers and Mortician Beetles in a hurry, because SACRIFICE IS EVERYWHERE One of the time-honored joys of Commander is tracking down forgotten, obscure replacements for classic staples which will fit within your chosen themes