Swamp

Army Ants

{T}, Sacrifice a land: Destroy target land.

Fire Diamond enters the battlefield tapped.
{T}: Add {R}.

Charcoal Diamond enters the battlefield tapped.
{T}: Add {B}.

Enchant creature
Enchanted creature has first strike.
Threshold — Enchanted creature gets +3/+0 as long as seven or more cards are in your graveyard.

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

{T}: Add {C}.
{T}, Sacrifice Wasteland: Destroy target nonbasic land.

Choose one —
• Abrade deals 3 damage to target creature.
• Destroy target artifact.

Sacrifice a land: Akki Avalanchers gets +2/+0 until end of turn. Activate only once each turn.

Whenever a land is put into a graveyard from the battlefield, Akki Raider gets +1/+0 until end of turn.