You can use this card to get infinite turns, infinite mana, infinite 'comes into play' triggers, infinite Storm count, and the list goes on
All MTG Mythic Rare Praetor/Sagas in March of the Machine Urabrask Great Work Synergizing with Izzet spell builds, is Urabrask Great Work, a unique Praetor Saga that can flip for only one Red mana
This, and the following Morden Horizons sets, we now know produced powerhouse cards that affected Modern, and even Legacy
Teval leans into that too, by having you mill cards and pulling lands back, all while making those Zombies the Sultai love so much
However, the card is extremely bad against everything else in their deck, so I preferred simply not having Liesa answers (outside of The Wandering Emperor) and trying to combat it proactively with Spellbinder and Archon