Oyamoa, Gilded Tortoise

Trample, Menace, Defender
{t}: Add {w}{u}{r} to your mana pool
When Oyamoa takes damage, it loses defender and gains haste until end of turn.
When Oyamoa dies, create a land token called
Oyamoa City with "Lose 1 life: Add any
three colors of mana to your mana pool"