Xolatoyac, the Smiling Flood
Legendary Creature — Salamander Serpent · {4}{G}{U}
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.
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