At the beginning of your upkeep, Nomad Atoll deals 2 damage to target creature you control.

: Add  to your mana pool. Activate this ability only if you control a Plains.

: Add  to your mana pool. Activate this ability only if you control an Island.

: Nomad Atoll becomes a 0/4 white and blue Citizen creature with defender until end of turn. It's still a land.