Jagged Barrens

Jagged Barrens enters tapped.
When Jagged Barrens enters, it deals 1 damage to target opponent.
{T}: Add {B} or {R}.

Sulfurous Springs

{T}: Add {C}.
{T}: Add {B} or {R}. Sulfurous Springs deals 1 damage to you.

This spell costs {1} less to cast for each creature on the battlefield.
Blasphemous Act deals 13 damage to each creature.

Defender
{T}: Exchange target opponent's life total with Tree of Perdition's toughness.

As an additional cost to cast this spell, discard two cards.
Draw three cards.

Create two 1/1 white Human Soldier creature tokens. Humans you control gain haste until end of turn.

Sacrifice Mogg Fanatic: It deals 1 damage to any target.

As an additional cost to cast this spell, discard a card.
Draw two cards.

{T}: Goblin Fireslinger deals 1 damage to target player or planeswalker.

If target player has exactly 10 life, Hidetsugu's Second Rite deals 10 damage to that player.

Lightning Bolt deals 3 damage to any target.

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.