Ophelia of the Forbidden Fang

Bestow {x}{b}{g}{u}
Snake creatures you control have deathtouch.
When Ophelia of the Forbidden Fang enters the battlefield as an Aura, gain control of enchanted creature if its power is X or less.
Enchanted creature is a Snake Horror, gets +1/+1, and has "Snake creatures you control have deathtouch".