{T}: Add {R}. Barbarian Ring deals 1 damage to you. Threshold — {R}, {T}, Sacrifice Barbarian Ring: It deals 2 damage to any target. Activate only if seven or more cards are in your graveyard.
Ghitu Encampment enters the battlefield tapped. {T}: Add {R}. {1}{R}: Ghitu Encampment becomes a 2/1 red Warrior creature with first strike until end of turn. It's still a land.
Teetering Peaks enters the battlefield tapped. When Teetering Peaks enters the battlefield, target creature gets +2/+0 until end of turn. {T}: Add {R}.