Anyway, its an okay green creature, and it has theoretical combo potential with its bounce-to-hand ability, but thats likely not worth the effort
Then, the last ability allows you to proliferate at the end of each turn, so long as a phyrexian died under your control
Get some fodder like the tokens Ophiomancer makes, some counter doublers or counter benefits like Hardened Scales or Abzan Falconer, and attack away
More specifically, the former can get Magic Broom, Bucket Brigade cards onto the table for less but also allows them to be put back into your hand when they're defeated
Boxes sit comfortably around $117 on TCG Market and Retail, while booster packs are found slightly under $6 each
The unofficial-official rules are linked here: To sum the ruleset up: 59 Cards +1 Commander, singleton, gentleman bannings, mana burn and for absolutely good reasons Rubinia Soulsinger and Tetsu Umezawa are banned as being a commander