Several cards in Modern Horizons 3 will give you energy counters that you can use to power up spells and permanents you control
Lich-Knights Conquest You might actually be able to tell me just how well Lich-Knights' Conquest has been performing
Vintage should be 100% of the list because modern has not stood up to the test of time, maybe the 10k charizard gx for modern but that thing never gets talked about anymore
P/T Number 454 Language English Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Rulings (6/6/2025) Use the creature's power as it last existed on the battlefield to determine how many +1/+1 counters to put on Vincent Valentine
Another thing to consider is that the deck is built with all of this in mind, so there are both explosive creatures to bring back and several ways to send those into the graveyard earlier on
Barrin, Tolarian Archmage This is a great example of power creep