Heart of Kiran takes a hit since Thorn Lieutenant cant outright crew it, but this impressive card replaces itself if destroyed, cant be targeted or pushed around by aggressive creatures, and it protects from flooding late in the game by providing a 6/7 attacker fore five mana
Its a long-term threat out of the graveyard for when you can afford to escape with card type duplicates
Glorybringer and The Scarab God might define what five mana buys in the format, but its not hard to play Regisaur Alpha or Charging Monstrosaur for four
The One Rings card draw ability is by itself excellent, but what makes it shine is that it buys you time
this type of repeated creature generation works nicely in a sacrifice deck, where you can let those Snails serve a higher cause by making mana or being used for spells
(When this equipment enters create a colorless 1/1 Hero creature token and attach this to it.) Equipped creature gets +3/+2 and is a Warrior in addition to it's other types