The Deck Builder's Toolkit (Ixalan Edition) is a box set that was released on September 29, 2017. It contains 100 basic land cards (17 of each type from Ixalan and 3 of each type from Kaladesh), 85 fixed cards, 40 of 70 semi-randomized cards suitable for building several different Magic decks, and four 15-card booster packs. You also get a deck builder's guide with tips about building the best Magic decks, a Magic "learn to play" guide and a full-art reusable card storage box. All the fixed and semi-random cards in the box are from Kaladesh, Aether Revolt, Amonkhet, Hour of Devastation, Ixalan and Welcome Deck 2017.
Each toolkit contains 85 fixed cards (together with the 100 basic lands). The five rare cards are from Welcome Deck 2017 and don't appear in Ixalan boosters, followed by the rest of fixed content in WUBRG order:
1 Cast Out
Separating the semi-random cards (4)
The semi-random portion of the Deck Builder's Toolkit consists of 4 groups, out of 7 possible groups, each of 10 cards (5 Commons and 5 Uncommons) and representing one of the 7 possible deck strategies (1x Vampires, 1x Merfolk, 2x Dinosaurs, 2x Pirates and 1 x Ramp). The groups are separated by one of the four above mentioned Evolving Wilds: