Its downside is that it cannot answer expensive things well, and you need to be multi-coloured to take advantage of it, but in both Modern and Legacy that isnt an issue as expensive cards arent played as much and most decks are naturally multi-coloured due to the manabases available in these formats
you can create duplicates of cards easily in the app, whereas in real life you'd have to try your luck with countless boosters or buy single cards separately
"Magic the Gathering TCG: Foundations Collector Booster Pack" is associated with the Magic the Gathering brand
Cairngorgon, Antiluminescent Knight X DARK Rank 4 [ Rock / XyzEffect ] ATK 2450 DEF 1950 2 Level 4 monsters During either player's turn, when another card or effect is activated that targets exactly 1 card on the field (and no other cards): You can detach 1 Xyz Material from this card, then target another card on the field that would be an appropriate target for that card/effect
The biggest flaw of the deck is its reliance on synergy
The idea of a 100 card set is that this is the middle ground between a full draft set and the smaller offerings such as a Secret Lair