mtg ritual cards Amazon.com: Magic the Gathering: Dark block) open.class Culling Ritual (Wizards Play Network

Scion of Oona At worst, this is a fairly standard lord with a slight downside (hexproof would be a vast improvement over shroud), but at best, this is the card that can mean the difference between every creature you control getting themselves killed, or doing the killing themselves

Bloodline Keeper is exactly what you want in a Commander deck

Balefire Liege is one of the stronger choices

Lathril, Blade of the Elves Lathril, Blade of the Elves is the most popular elf Commander and an excellent reprint for Foundations

If youre doing this in Commander, stick to the variants that make each opponent discard rather than just a target