Cheapest priced copy (New Phyrexia): $0.69 at Card Kingdom, near mint, their price list as of .
Xenograft 
Enchantment · Rare · New Phyrexia · #51
As this enchantment enters, choose a creature type.
Each creature you control is the chosen type in addition to its other types.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.69 to $1.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| New Phyrexia | 51 | Rare | $0.69 | $1.99 |
3 rulings from Wizards of the Coast
- 1 June 2011You must choose an existing _Magic_ creature type.
- 1 June 2011Creature cards not on the battlefield and creature spells are not affected.
- 29 September 2017Replacement effects that modify creatures of a certain type as they enter the battlefield will apply (or not apply) after you apply this effect. For example, if Warrior is the chosen creature type and you control Bramblewood Paragon, a Runeclaw Bear would enter the battlefield with an additional +1/+1 counter.