Note that this list, like all of my lists, is more about casual Magic , Commander, and other multiplayer formats than Standard or Legacy
Yes, you lose some life every turn, but The One Ring is also indestructible, making it extremely difficult for your opponents to interact with, and you really should have some bounce spells to maximise the potential of The One Ring (and to not lose too much life)
If were lucky, it cant swim. Syr Branigan, knight of Ardenvale Illustrated by Evan Shipard Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
Ramp plus card draw plus creatures is great
Even in decks that arent specifically attacking graveyards, the sheer flexibility of choosing the best available body to copy means he rarely whiffs, and a 4/4 with an upgraded statline for four mana is already a fine rate on its own
Red mainly brings sideboard options plus Heart Sliver