Jodah, the Unifer's cascade ability not working correctly
Jodah's cascade ability is not updated with the new ruling of how cascade works. My opponent cast a three mana legend and cascade into Valki God of Lies but was allowed to cast the Tibalt, Cosmic Imposter side. This ruling was changed due to Tibalt's Trickery's printing creating some broken decks. All that needs to change is not allowing the player who is cascading to cast the more expensive half of a flip card as this goes against current rulings.
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esosia#51500 commented
Which is how the ability is intended to work.
Jodah's second ability reads "exile cards from the top of your library until you exile a legendary nonland card with lesser mana value. You may cast that card without paying its mana cost".
The ability doesn't see Valki's back side while checking for mana value, but it does while choosing to cast "that card". Tibalt's Trickery still works in the same way and can still be used to cheat Tibalt into play on turn 2. The change only regards cascade, because the exploit wasn't with Trickery, but with Violent Outburst, which, with only Valki in the deck, was a guaranteed T3 Tibalt. Trickery can still miss and the only deck I can think of that exploits it reliably is The First Sliver HB combo, casting its Commander to cascade into Trickery to cheat Cultivator Colossus in play in a deck that only plays lands otherwise, putting all your lands on the battlefield at once and winning on the next upkeep with Maze's End.TL:DR Jodah's ability looks like cascade but it isn't, so it ignores the recent rule change regarding cascade. Tibalt's Trickery is a one-time Possibility Storm, it isn't affected by rulings about cascade at all.