Gwaull, Nature's Calamity

Vigilance, Wasteswalk, Ward 2

Each desert is a Wastes in addition to its other types and whenever a desert entering would cause a triggered ability of a permanent to trigger, you may have it trigger an additional time.

Sacrifice two basic lands: Draw two cards and target player creates a Desert Wastes land token named Gwaull's Territory. It has "{t}: Add {c}{c}."