Army Ants
{1}{B}{R}
Creature -- Insect
1/1
{T}, Sacrifice a land: Destroy target land.
Bog Glider
{2}{B}
Creature -- Human Mercenary
1/1
Flying
{T}, Sacrifice a land: Search your library for a Mercenary permanent card with mana value 2 or less, put it onto the battlefield, then shuffle.