Ainok Survivalist
{1}{G}
Creature -- Dog Shaman
2/1
Megamorph {1}{G} (You may cast ~this~ face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)
When ~this~ is turned face up, destroy target artifact or enchantment an opponent controls.
Gemrazer
{3}{G}
Creature -- Beast
4/4
Mutate {1}{G}{G} (If you cast ~this~ for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Reach, trample
Whenever ~this~ mutates, destroy target artifact or enchantment an opponent controls.