At the beginning of your upkeep, Sunken Steppe deals 2 damage to target creature you control.
: Add
to your mana pool. Activate this ability only if you control an Island.
: Add
to your mana pool. Activate this ability only if you control a Forest.

: Sunken Steppe becomes a 2/1 blue and green Shapeshifter creature until end of turn. It's still a land.