Compare that to bundles like the Alchemist bundle, where 20 packs cost 3,000 gems or 15,000 gold and only guarantee one random rare per pack
If you cast a three-cost creature with Squad 2, then pay four extra mana, youll get three copies of the card
If you do need another card, or want to skip the revealing part, discarding a Vault of Whispers and sacrificing a Dockside Chef puts the necessary card types in your graveyard, and puts Demonic Counsel right in line with Demonic Tutor
Using waterbending as a ward cost is also just cool tech (though admittedly worse than just having ward instead)
Tax-like effects that require payments other than mana, like the effect of the first ability of Sivitri, Dragon Master, aren't taxes for the purposes of Tax Taker's ability
You shuffle two of them together to form something akin to a 40-card draft or sealed deck