mtg phyrexia cards Magic The Gathering Phyrexia: All Will Be One Exclusive Card Preview your world will bow to Phyrexia.” —Sheoldred Subtype: Phyrexian, 466 cards |

I think one of the reasons for that is simple

Nine Lives Combo Mana Value: 1WW Rarity: Rare Text: Hexproof

Also, due to this cards scarcity, its actually way more expensive than its vampiric counterpart

Mono Green Decklist 4 Wooded Foothills 4 Primeval Titan 1 Titan of Industry 1 Generous Ent 4 Natural Order 4 Arboreal Grazer 4 Kami of Bamboo Groves 2 Spelunking 1 Khalni Garden 4 Once Upon a Time 4 Sylvan Scrying 4 Fierce Empath 1 Bojuka Bog 1 Hanweir Battlements 1 Boseiju, Who Endures 4 Castle Garenbrig 1 Snow-Covered Forest 1 Stomping Ground 1 Temple Garden 1 Blast Zone 1 Cavern of Souls 3 Field of the Dead 1 Radiant Fountain 4 Sunken Citadel 2 Windswept Heath 1 Forest Mono Green decks have always used the highly efficient combo of the Natural Order and Primeval Titan cards

Dont forget to get even more treasure tokens with cards like Anointed Procession or Mondrak, Glory Dominus