As this is a mobile F2P game, it carefully balances the rewards so you are always just off completing a set before the next one launches
Power Word Kill Power Word Kill was one of the earliest previews of the set, and it took a minute for people to realize what it could do
The cards secondary effect is that whenever you cast an instant or sorcery spell while its on the battlefield, it gets a +1/+1 counter, to become at least a 3/3 attacker or defender
Everything else was awful
Remember, MTG first announced this crossover, part of their Universes Beyond series, back in 2021
As the fourth set in the Mega Evolution series, Chaos Rising had the unenviable task of following up after the somewhat modest reception of Perfect Order