from the vault mtg card list Vault: Legends [Toy] : Toys & Games Name a card MTG / From The Vault

It doesn't give us extra land drops, but it does let us play our opponents' lands, giving us a better chance at returning Cosima from his voyage each turn

If an effect allows you to play a land or cast a spell from among a group of cards, you may play or cast a modal double-faced card with any face that fits the criteria of that effect

I can see it in some kind of low-to-the-ground aggro build, as you can pump up your attackers in various ways as it progresses

Aside from that these are your typical precons, minus a pretty minor printing issue that Ill cover in a bit

I'm not sure how to put the creatures directly back into the battlefield in Green