Phyrexia: All Will Be One, therefore had a whole new world to show us, with nine spheres to explore, from the "tangled copper wilderness" of the Hunter's Maze to the spooky, cathedral-filled Fair Basilica
The last ability will consider all stored results and look for any that match each other
Few cards offer this level of efficiency and repeatability like Zenith in creature-based green decks
Three planes in one set was already stretching things a bit thin, so the addition of all the racing teams muddied things even more
Afterwards, you can use cards like Risk Factor or Experimental Frenzy to finish the game off
This requires cutting back even further on our mana base by replacing Ketria Triome with more basic lands, and based on the games we played with the deck, the inconsistency of the mana base was already the deck's biggest weakness