Gust is a perfect choice for that task, as a great anti-Mono Red card, while also being very good versus Fires and other Simic based ramp decks (Sultai, Bant, Temur)
If they were exclusively mythic wildcards that would be fine because then it would be no different from opening a mythic rare card, but it can be a rare wildcard
You get two flying 4/4s out of the deal, and the bonus of your creatures gaining indestructible
This particular copy was originally awarded to Junior Division champion Yuka Furusawa and resurfaced in its original presentation case, driving collector demand for one of the games most elusive prize cards
having already launched two events including one that allows players to win a Lapras ex
Not only does it have great synergy with all the decks that try and cheat bit fat things in to play it is also quite good in normal mid range and control decks where it is a free spell and a bunch of mana saved for the small loss of one mana earlier