It can protect key pieces with a myriad of protection spells and effects, and ways to shut down spellcasting within your turn some of which, like Grand Abolisher or Conquerors Flail, are even tutorable
Additionally, decks with their own alternate win conditon, like combo decks or Toxic strategies that win by giving players poison counters, can be less vulnerable to Exile effects by including more instants and sorceries and fewer permanents
But an operation goes wrong, and the prototype mech refuses to deliver the final blow to a defeated nature kami
You gain life at the same time as the damage dealt and theres no trigger associated with the ability
Sword of the Animist and Hearth and Home are excellent, and Giada also lets us use Mox Amber
Three mana to bring a single tapped basic into play isnt a great deal, but the fact that Earthbender Ascension also makes you a 2/2 via Earthbending more than makes up for that