It has a lot of use in the classic untap combos like Wake Thrasher and Kiki-Jiki, Mirror Breaker as well as the combos like Halo Fountain and Phyrexian Altar
In this article, well specifically be looking at cards that appear in the core set, so nothing from the constructed Commander decks
It'd have to basically be in a deck that's about +1/+1 counters, or artifact creatures, like modular, but there's also ways to make those multiply really quickly
And this Magical Places Buzz Lightyear On The Way promo card (available only at Disney Parks while supplies last) takes us to infinity and beyond
If you only want opponents taking damage from Repercussion, consider pairing it with Rem Karolus, Stalwart Slayer
When an opponent has a greater threat than you, utilize threat assessment to determine if you need to interfere