Despite the fact Im far older now, and Magic: The Gathering is still going strong, I still felt intimidated by the legacy that MTG has, with decades worth of cards and the rules and lore attached to them
You can then sink this mana into casting infinitely large Braingeysers to mill the table out, or use a different infinite mana outlet like Walking Ballista
More dual lands (or other color splashes) are always a consideration too, but you must always be mindful of having enough basic lands in your deck no matter what color combinations you choose, in order to fully leverage Land Tax
To justify this price tag, Stock Up is a lot rarer than its rarity might suggest
Duress can also remove opposing Lightning Bolts and removal, and that comes in very handy against pretty much every matchup, except maybe hatebears
We strongly recommend selecting Blue-Eyes White Dragon as your first UR since it is the easiest to summon, offers well-rounded stats, and is simple to build around