Xolatoyac, the Smiling Flood LCC/8

Set: The Lost Caverns of Ixalan Commander
Collector Code: LCC/8
Name: Xolatoyac, the Smiling Flood
Type: Legendary Creature — Salamander Serpent
Oracle text: Whenever Xolatoyac enters or attacks, put a flood counter on target land. That land is an Island in addition to its other types for as long as it has a flood counter on it. At the beginning of your end step, untap each permanent you control with a counter on it.
Rarity: Mythic