{T}: Add one mana of any color in your commander's color identity.

Equipped creature has deathtouch and lifelink. Equip {2}

{T}: Add {C}{C}.

Equipped creature has vigilance. Whenever another artifact or creature is put into a graveyard from the battlefield, put a +1/+1 counter on equipped creature. Equip {2}

Whenever Coalhauler Swine is dealt damage, it deals that much damage to each player.

Damage that would reduce your life total to less than 1 reduces it to 1 instead. Morph {R}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

{T}: Heartless Hidetsugu deals damage to each player equal to half that player's life total, rounded down.

Whenever a commander you control deals combat damage to an opponent, it deals that much damage to each other opponent. Partner (You can have two commanders if both have partner.)

Flying You can't lose the game and your opponents can't win the game.

Whenever a player casts a spell, if it's not their turn, Scytheclaw Raptor deals 4 damage to them.

Indestructible As Stuffy Doll enters the battlefield, choose a player. Whenever Stuffy Doll is dealt damage, it deals that much damage to the chosen player. {T}: Stuffy Doll deals 1 damage to itself.

At the beginning of each player's end step, Citadel of Pain deals X damage to that player, where X is the number of untapped lands they control.

At the beginning of your upkeep, put two descent counters on Descent into Avernus. Then each player creates X Treasure tokens and Descent into Avernus deals X damage to each player, where X is the number of descent counters on Descent into Avernus.

Whenever a player taps a land for mana, Manabarbs deals 1 damage to that player.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Lightning Bolt deals 3 damage to any target.

{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.

Acidic Soil deals damage to each player equal to the number of lands they control.

Target creature you control deals damage equal to its power to each other creature and each opponent.

Delete deals X damage to each nonartifact creature and each player.

Earthquake deals X damage to each creature without flying and each player.

Flame Rift deals 4 damage to each player.

You and target opponent each flip a coin. Mana Clash deals 1 damage to each player whose coin comes up tails. Repeat this process until both players' coins come up heads on the same flip.

Kicker {R} (You may pay an additional {R} as you cast this spell.) If this spell was kicked, it has split second. (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Molten Disaster deals X damage to each creature without flying and each player.

Destroy target artifact you don't control. Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.) At the beginning of your postcombat main phase, add {R} for each 1 life your opponents have lost this turn.