Another example would be a leader who specializes in a particular tactic, such as controlling the playing field or accumulating resources
It also thrives when aggro decks are willing to play more non-damaging removal spells to try and gain board control, since Martyr itself is extremely cheap and difficult to interact with
(Then planeswalk away from this phenomenon.) Through the Dark Portal Phenomenon When you encounter Through the Dark Portal, flip this card over and put it on the planar deck, then shuffle the planar deck and reveal the top card of the planar deck and planeswalk to it
While its potentially too expensive for a deck like Mono Blue to use, it really shines for a deck like Sultai, Gruul, or White aggro
Among all cards that function as win conditions, Omniscience is the one that most completely eliminates the rules of the game