Cheapest priced copy (Secret Lair Drop): $12.99 at Card Kingdom, near mint, their price list as of .
Breach the Multiverse 
Sorcery · Rare · March of the Machine · #94
Each player mills ten cards. For each player, choose a creature or planeswalker card in that player's graveyard. Put those cards onto the battlefield under your control. Then each creature you control becomes a Phyrexian in addition to its other types.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
6 printings · $12.99 to $19.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| March of the Machine | 94 | Rare | $14.99 | $14.99 |
| March of the Machine | 358 | Rare | $14.99 | $19.99 |
| March of the Machine Promos | 94p | Rare | $15.99 | $19.99 |
| March of the Machine Promos | 94s | Rare | — | $19.99 |
| Secret Lair Drop | 2128 | Rare | — | — |
| Secret Lair Drop (Rally the Evil Warriors) | 2777 | Rare | $12.99 | $14.99 |
2 rulings from Wizards of the Coast
- 14 April 2023The creatures you control will be Phyrexians until they leave the battlefield. Any of them that stops being a creature will also stop being a Phyrexian until it becomes a creature again, if applicable.
- 14 April 2023The cards you choose can be ones that were just milled or ones that were already in the graveyard.