Cost splitting and graveyard/discard synergies
For collectors, this one checks the box for classic powerhouse done right. Steelix has been a fan-favorite since the Johto era, and this card delivers a fresh artistic take that captures its raw, unstoppable energy
Mondrak is a Phyrexian, so she'll cause Brimaz to Incubate when you cast her
Paying 2 life is 100% worth the ability to remove any nonland card from a player's hand, and in so doing, learn what cards they have (which is vital information)
Although long since dead, the banished dissenters finally took their vengeance
If your deck does not have access to green, you might have to get more creative by using cards like Tithe, Pilgrims Eye, or even Demonic Tutor to put lands into your hand, cards like Mana Geyser, High Tide, or Caged Sun to get a big payoff, or mana rocks like Arcane Signet, Coalition Relic, and the Ravnica Signet cycle (Boros Signet, Izzet Signet, etc.) to speed things along at the risk of seeing them destroyed later