The Slitheen

When The Slitheen enters the battlefield choose a creature in a graveyard The Slitheen becomes a
copy of that creture but has the ability of "{4}{u}{b}{t} choose a creature in a graveyard and
become a copy of it,The Slitheen have Deathtouch, and can {4}{b}{t} deal 1 damage to a creature"
Calcium phosphate. Organic calcium. Living calcium. Creatures made out of living calcium. What else -
what else? Hyphenated surnames. Yes! That narrows
it down to one planet! Raxacoricofallapatorius!
- The D