They (mostly) have a color pair and style, they have a little support, so you can build a deck but it's not going to be as easy to put together as Angels or Merfolk
1 Rona, Herald Of Invasion Rona, Herald of Invasion is one of the best Phyrexian cards that can transform at the cost of Phyrexian mana
She's all about setting up sufficient multicolored mana, then fetching up the perfect pieces to secure victory
This is even more true if both halves of a full crimp are recovered and preserved
For example, if the chosen exiled card is a land card, you may play it only during your main phase while the stack is empty
(It loses its other colors and creature types.) Legendary Creature Artifact - Mutant Vexing Radgull Flying Whenever this creature deals combat damage to a player, that player gets two rad counters if they don't have any rad counters