Arctic Aven 

Creature — Bird Wizard
Flying
This creature gets +1/+1 as long as you control a Plains.
{W}: This creature gains lifelink until end of turn. (Damage dealt by this creature also causes you to gain that much life.)
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Hedge Troll 100%
$0.11#31444
"This creature gets +1/+1 as long as you control a Plains."
+1 more matching line