Kythis, Deepsea Shaman

When Kythis enters the battlefield put a Flood Counter on target land, it`s an Island in addition to it`s other types for aslong as it has a flood counter on it.
At the beginning of combat you may pay {x},
then X target Merfolk creatures you control gain +2/+1 and Islandwalk until end of turn.
"I`m destruction... I`m your ruin...I am the sea."