An impactful card from Modern Horizons 3, Necrodominance lets you exchange life for cards, completely changing the calculation about how valuable a card is, and making free spells that require you to pitch another card a lot more playable
This can get out of hand very quickly, especially if you have ways to prevent the myriad tokens from being sacrificed at the end step
Printing a full deck: Great for playtesting, cubes, or proxy-friendly Commander nights where you want consistent readability and shuffle feel
Kangee & Ruhan Recently, my friend began playing Magic, and in our first game I played my Kangee, Aerie Keeper deck
It is likely a recurable effect that way
The restriction on historic land hurts, but there are some legendary lands and artifact lands to make up for it