If you're not doing something illegal or damaging the booster pack in any way, I don't see any problem with taking advantage of an obvious flaw in the system and stacking the odds in your favor
Encase in Ice is here as a four-of in order to completely dominate sideboarded games against this particular deck
Thanks to Kaladesh, we have Authority of the Consuls which is a huge player when landed early against Red deck, Goblins, and Gruul
Decklist: Selesnya Aggro Vitu-Ghazi Guildmage | Illustration by Jason Chan Creature (20) Elvish Mystic x4 Dryad Militant x4 Loxodon Smiter x4 Vitu-Ghazi Guildmage x3 Wayfaring Temple x2 Trostani, Selesnya's Voice Scion of Vitu-Ghazi x2 Instant (11) Advent of the Wurm x4 Selesnya Charm x3 Rootborn Defenses x2 Sundering Growth x2 Sorcery (4) Land (25) Temple Garden x4 Sunpetal Grove x4 Vitu-Ghazi, the City-Tree x2 Grove of the Guardian x2 Forest x7 Plains x6 There was a Selesnya aggro deck that made good use of populate in the Return to Ravnica era
Wilds of Eldraine brings Commander Will, Scion of Peace to lead this deck based around lifegain to enable his ability reducing the cost of spells, including powerful X-spells with potential for massive effects
It will retail for $9.99