Meddle-like effects in limited have always been relatively strong, but Willbender takes this to a new level by allowing you to redirect spells AND effects
The neat thing about this is that the card specifies that you can play up to nine copies of Nazgl in your deck, allowing you to run all nine of them if you want
With great card draw and aggro both in the command zone, and enough little creatures to get said commander out early with Convoke, it's fairly easy to start some life totals rapidly declining while also drawing significant portions of your deck to keep the whole thing going through a possible board wipe
Suplex, if you are unfamiliar with the term, is a wrestling move where you lift your opponent off the ground and throw them backwards (behind you) and you very often crash down with them
I love Coveted Jewel in Commander, but life is tough if it keeps getting moved around among your opponents
Flood the board with cheap Rats, give them all infect through Karumonix, and attack relentlessly
