Ashaya, Soul of the Wild

荒野之魂艾莎娅 (Ashaya, Soul of the Wild) (zhs)

Legendary Creature - Elemental | Power/Toughness: * / * (CMC 5)
Ashaya, Soul of the Wild's power and toughness are each equal to the number of lands you control.
Nontoken creatures you control are Forest lands in addition to their other types. (They're still affected by summoning sickness.)