Tahm Kench, the River King

Islandwalk, trample, vigilance
At the beginning of each opponents upkeep, they
may spend {2} to move target curse they control
to enchant target player that isn't you with
that curse.
Whenever a curse is moved from a player, Tahm Kench, the River King gains two +1/+1 counters
and you draw a card.
"Call me king, call me demon - water forgets the
names of the drowned."