A card with Phyrexian mana symbols in its mana cost is each color that appears in that mana cost, regardless of how that cost may have been paid
It can take advantage of your five-color manabase and be a decent rattlesnake card itself
If you want to shift to black, you can also use Supernatural Stamina the same way
Losing nothing and gaining everything from this ability is pure value
Facilier Charletan Uncommons: Moana Chosen By The Ocean, Beast Hardheaded, and You Have Forgotten Me Rare or above: Maleficent Uninvited (Rare), and Lady Tremaine Wicked Stepmother (Rare) Foil: Pumbaa Friendly Warthog (Common) Another standard pack with the 2 Rares and Common Foil
Worst case scenario, if your opponents sneak out a removal spell aimed at Syr Ginger, you can sacrifice it like a Food Token to gain life equal to its power