While Containment Construct offers the potential to play discarded cards in the same turn, there are more powerful options like Past in Flames or Yawgmoth's Will that provide broader and more impactful effects
Cut of(f) the Profits I hate the name of this card since it will be confused with "Cut off the Profits." This strong X spell card drawing spell is quite good, as it's basically a Braingeyser or Mind Spring in mono-Black
I don't believe either of those rules are in contention for the top spot of "old rules that would still be be sweet to use in oldschoolmtg", but that is a fully different post
There's really nothing to lose if you're in the market for it
Power creep might have left this little guy behind, but it still steals wins in the occasional Pauper Cube game
Wizards of the Coast just unveiled a full slate of new Magic: The Gathering sets coming in 2026, and, unsurprisingly, there's a lot of Universes Beyond