Frostwalla {2}{G}
Snow Creature — Lizard
{S}: This creature gets +2/+2 until end of turn. Activate only once each turn. ({S} can be paid with one mana from a snow source.)
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Cards that do something similar expected a card that isn't here?
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Boreal Centaur 84%
$0.15#24468
"{S}: This creature gets +1/+1 until end of turn. Activate only once each turn."