On its own, Bloodthirster can dome each opponent for six damage each turn
Marlon Water-type Pokmon Carracosta and Jellicent gain the most healing from any Supporter in TCG Pocket (yes, more than Lillies 60 DMG healing for Stage 2 mons), at a whopping 70 DMG healing, all thanks to Marlon
Its Exavolt attack gives its trainer the chance to do 50 more damage and a guaranteed chance to paralyze the foe at the cost of taking 30 damage
Maybe comparable to Hidetsugu neon ink? cubes158 Besides the obvious implications that a serialized ring card could be a super rare copy of the one ring to rule them all, that is at the center of the LOTR IP, there could actually be multiple different ring cards or artworks featured in the serialized lineup
Now, if this had created three mana of any color within your commanders color identity, like Arcane Signet, it wouldve been useless still in non-commander formats, but it wouldve been closer to a true black Lotus
Do You Have to Play with a Conspiracy if You Draft It