Krahn, Primal Knife

Deathtouch, Lifelink
{6}{b}{b}{b} Put a bribery counter on Krahn, Primal Knife
For each bribery counter on Krahn, Primal Knife, this creature gets +1/+1, and gets Swampwalk until end of turn.
If there are more than 3 bribery counters on Krahn, Primal Knife, any opponent may pay {4}{u}{u}, if that opponent pays that cost they gain control of Krahn, Primal Knife