Flygon, Desert Drake

Desertwalk, Flying
Whenever Flygon attacks, for each opponent, create a red Aura enchantment token named Sandstorm attached to target land or artifact they control. It has enchant land or artifact and "Whenever enchanted permanent becomes tapped, deal 1 damage to its controller" and "If enchanted permanent is a land, it becomes a Desert in addition to its other types"
Flygon gets +1/+1 for each Desert on the battlefield.