Rain Fang, Climate's Avatar

Hexproof, trample, vigilance
Enrage - Whenever Rain Fang, Climate's Avatar
is dealt damage, choose a color. Your opponent's
basic lands add mana of the chosen color instead
of their normal color until your next turn.
"Ok so, it was raining 2 minutes ago, now it's
44 degrees and, worse of all, I see a glacier there!"
— Oryn, swearing in Rain Fang's territory