Basically, you cast Reanimate targeting a creature, you sacrifice another creature to copy it, and then your copy targets the creature you just sacrificed
And it's up to players to determine which burn MTG cards work best for their specific strategy
See Jin-Gitaxias, Progress Tyrant, Myojin of Cryptic Dreams, and any card with casualty (basically every Grixis card in the set)
When playing the format online, players would add a Vanguard card to their your deck before playing, and at the start of the game, the avatar card from your deck would start in play for you and applied the modifications listed on it
Just make sure to hold priority and stack the ability multiple times before it resolves: Otherwise, the Shaman might ping itself into the graveyard before it gets the job done
If your popsicle stick had a win mark on it, you could trade it for a Zarude V promo