For just the main set card of any rarity youre at 0.76% to hit any foil mythic and 4.6% to get a foil rare in a Set Booster, and for a Draft Booster its 0.25% for any foil mythic and 1.5% for any foil rare
If you're playing a water-type deck in GLC based around Frosmoth [SSH]'s energy acceleration, it's easy to include Blastoise [BCR] as backup energy acceleration in case your Frosmoth is unavailable
The sequence is important since we'll be pulling a removal Character from our Trash through OP06-086-gecko-moria, and we need the cost of the opponent's Character low enough to KO
I like to include good cards against the deck because it gives opprotunity to think about what you mean when you say the set is broken or whatnot, when in reality it is slow starting, must-have setup deck, vulnerable to popular sidedeck cards, fairly weak monsters, and runs off a field spell
Even just as a team booster in a go-wide token deck, you might be hard pressed to find such an easily repeatable, similar effect