From the missing piece of an Urza land to Urza's Saga and The World Tree, youll get any land from your deck at instant speed, and that can be activated in response to removal
Ellie, Vengeful Hunter + Joel, Resolute Survivor Lets throw an aristocrat partner combo in here for good measure
Cavern of Souls If Aether Vial is the heart of creature decks, that makes Cavern of Soulswell, the soul
However, the situation is much better than that since we also get three solid commanders, Strix, and some non-negligible reprints in [card]Decree of Pain[/card], [card]Strategic Planning[/card] and [card]Mirari[/card], not to mention the [card]Sol Ring[/card] and [card]Command Tower[/card]
It requires 5 mana to play Kenrith and then additional mana to hug yourself or other players
for instance, the artifact type Vehicle is used on cards that can become creatures under certain situations, typically when "crewed" by other creatures with a certain total power