Poseidon, God of storms

Indestructible, Islandwalk
as long as you control less than 7 islands or
swamps Poseidon cannot attack.
at the beginning of your upkeep create a 5/5
token creature giant with reach.
{2}{u/b}: all lands become islands in addition to their other types
{4}{u/b}: All creatures you control gain Island walk and +3/+2