At the time of writing this, all Promos released so far are obtainable from The First Chapter set, just without the special rarity stamps put on the cards
$0.49 Oasis Gardener Outlaws of Thunder Junction $0.49 Obstinate Gargoyle Modern Horizons 3 $0.35 Wolf Token Double Masters $4.99 Rattleblaze Scarecrow Shadowmoor $11.99 Puppeteer Clique Modern Masters 2015 $34.99 Altar of Dementia Modern Horizons $12.99 Lesser Masticore Modern Horizons $37.99 Scarecrone Eventide $2.99 Elas il-Kor, Sadistic Pilgrim Dominaria United $0.99 Rendmaw, Creaking Nest (0005 - Borderless) Duskmourn: House of Horror Commander Decks Variants $0.49 Restless Apparition Modern Masters 2015 $0.99 Kithkin Spellduster Eventide 0 results found
That means it cant be responded to making it a potential save for a key creature or a clever untap trick
The synergy in this Starter Deck is impressive, and upon first glance it seems like the Deck with more depth, though initial looks can be deceiving
Tigger, In The Crow's Nest
Lucky, were on hand to help, having been through every card in The First Chapter to find the characters that deserve a place in your deck