You can use it to ramp yourself via Fetchlands, double down on powerful enters or leaves abilities, and everything in between
If you really want to optimize your collection, you should wait until the end of the event and choose the pack with the most unowned cards
For example, if you control Thundermane Dragon ("You may cast creature spells with power 4 or greater from the top of your library.") and Twinmaw Stormbrood is on top of your library, you can cast Twinmaw Stormbrood, but not Charring Bite
Charizard EX : BW/XY era Pokmon-EX
After I got down to the Pro Tour, here is what I registered: Creatures (31) 4 Soul Warden 3 Auriok Champion 4 Sky Hussar 4 Norin the Wary 2 Ranger of Eos 3 Soul's Attendant 4 Ajani's Pridemate 4 Champion of the Parish 1 Legion Loyalist 2 Purphoros, God of the Forge Planeswalkers (1) Lands (20) Spells (8) Sideboard I loved the deck, even though I only went 3-2 with it
In September, strip mine got restricted in Standard, but apparently, people were still fine with getting their lands blown up for free in Vintage