Eyeblight Cullers
Sword of the Meek [Strong Recursive Artifact] Unassuming it may be, but Sword of the Meek was once half of an engine (the other half being Thopter Foundry ) that allowed you to convert X mana into X 1/1 flying artifacts and X life
When the lorebook opened, it let loose a power that damaged the Great Illuminary, released a chaotic wave of all six inks (Ruby, Amethyst, Amber, Sapphire, Emerald and Steel), and swept away some important items from Disney lore with it, including King Tritons powerful trident
It can be blocked and do no damage, but it is still going to do the damage to your opponent's card count
The fact that regeneration is possible is a double edged sword that often benefited the player using the Deed because it let them regenerate their Spiritmongers
And I think theres a good reason for that