: Add . Barbarian Ring deals 1 damage to you.
Threshold — , , Sacrifice Barbarian Ring: It deals 2 damage to any target. Activate only if seven or more cards are in your graveyard.

Ghitu Encampment enters tapped.
: Add .
: Ghitu Encampment becomes a 2/1 red Warrior creature with first strike until end of turn. It's still a land. (It deals combat damage before creatures without first strike.)

Whenever Jackal Pup is dealt damage, it deals that much damage to you.

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

This spell costs more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.

Trample, haste (This creature can deal excess combat damage to the player or planeswalker it's attacking. This creature can attack and as soon as it comes under your control.)
At the beginning of the end step, sacrifice Spark Elemental.

Price of Progress deals damage to each player equal to twice the number of nonbasic lands that player controls.

Trample, haste
At the beginning of the end step, sacrifice Hellspark Elemental.
Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Destroy target artifact or land. It can't be regenerated.

Any player may have Browbeat deal 5 damage to them. If no one does, target player draws three cards.

Haste
Wither (This deals damage to creatures in the form of -1/-1 counters.)

Flames of the Blood Hand deals 4 damage to target player or planeswalker. The damage can't be prevented. If that player or that planeswalker's controller would gain life this turn, that player gains no life instead.

Haste
Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When Keldon Champion enters, it deals 3 damage to target player or planeswalker.

Sudden Impact deals damage to target player equal to the number of cards in that player's hand.

If a red instant or sorcery spell you control would deal damage, it deals double that damage instead.