For instance, Rhonas the Indomitable only costs 1 green mana with the reduction, and has fantastic stats and abilities with a negligible drawback
Blue cares about counters and would be at home in decks with Perrie, the PulverizerPerrie, the Pulverizer and Roalesk, Apex HybridRoalesk, Apex Hybrid
Being able to seek out any Demon card from your deck and placing it directly into play (not a Most Valuable Devil, mind you) by sacrificing six Shadowborn Apostles remains a pretty sweet deal despite this card debuting over 10 years ago in Magic 2014
Predation Steward I can see someone talking about how you can use this to pump stuff, but it's too slow, too expensive, and generally will too often be too limited in its uses
Old Flitterfang gives you Food on each end step if a creature died that turn, including your opponents turns and creatures, and it has a built-in sac outlet
How About Outlaws