Rock-Bound Shara Ishvalda

Last Strike, Rocksteady, Trample, Menace, Dig
This creature enters the battlefield with 7 Rock
Mantle Counters, every time this creature takes
damage from another creature, it instead loses a counter. When Rock-Bound Shara Ishvalda loses
all Rock Mantle Counters, transform it.
{3}{w}: Sacrifice 3 materials, put 2 Rock Mantle Counters on this creature
{9}{w}: Target opponent's non-white lands change
to white lands until end of turn