At the beginning of your upkeep, put an oil counter on another target nontoken artifact or creature you control. {2}, {T}: Create a 1/1 red Phyrexian Goblin creature token. Activate only if an oil counter was removed from a permanent you controlled this turn or a permanent with an oil counter on it was put into a graveyard this turn.

{2}: Put a charge counter on this artifact. Remove a charge counter from this artifact: Add one mana of any color.

Whenever a creature you control dies, scry 1 and put an oil counter on this artifact. {1}, {T}, Remove two oil counters from this artifact: Draw a card.

Return all artifact and enchantment cards from your graveyard to the battlefield.

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

You draw two cards, lose 2 life, then mill two cards.

Whenever this creature or another creature dies, target player loses 1 life and you gain 1 life.

Vigilance Exile Cannon — When this creature enters from a graveyard, exile up to one target nonland permanent. Unearth {7} ({7}: 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.)

Whenever an artifact is put into a graveyard from the battlefield, you may have target opponent lose 1 life.

Whenever this creature or another artifact creature dies, you may untap target artifact.

When this creature enters, you gain 2 life. When this creature dies, draw a card.

Multi-threat Eliminator — This creature can't be blocked except by six or more creatures. Unearth {4}{B}{B} ({4}{B}{B}: 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.)

Whenever this creature or a commander you control attacks alone, return target artifact card from your graveyard to the battlefield.

Karn's power and toughness are each equal to the greatest mana value among artifacts you control. At the beginning of your upkeep, add {C} for each artifact you control. This mana can't be spent to cast nonartifact spells. Until end of turn, you don't lose this mana as steps and phases end.

Trample Frenzied Rampage — At the beginning of combat on your turn, choose an opponent at random. This creature attacks that player this combat if able. When this creature dies, it deals 4 damage to target opponent chosen at random.

Haste When this creature enters, put two oil counters on target artifact or creature you control. At the beginning of your end step, return this creature to its owner's hand unless you remove two oil counters from it.

Permanents you control have "Ward—Sacrifice a permanent." Each artifact card in your graveyard has unearth {1}{B}{R}. ({1}{B}{R}: Return the 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.)

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

{1}{R}{R}: Put a blaze counter on target land without a blaze counter on it. For as long as that land has a blaze counter on it, it has "At the beginning of your upkeep, this land deals 1 damage to you." (The land continues to burn after this creature has left the battlefield.)

You can't cast Rakdos unless an opponent lost life this turn. Flying, trample Creature spells you cast cost {1} less to cast for each 1 life your opponents have lost this turn.

Phalanx Commander — When this creature enters, create two tapped 2/2 black Necron Warrior artifact creature tokens. Unearth {3}{B} ({3}{B}: 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.)

Menace When this creature dies, each player may discard their hand and draw seven cards. Mountaincycling {2} ({2}, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)

Whenever this creature dies or another artifact you control is put into a graveyard from the battlefield, return to your hand target artifact card in your graveyard with lesser mana value.

When this creature enters, you may discard a card. If you do, draw a card. Unearth {1}{R} ({1}{R}: 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.)

This creature can't be blocked by creatures with power 2 or less. When this creature dies, it deals 6 damage to target opponent or planeswalker.

Flash You may cast artifact spells as though they had flash.

Menace Command Protocols — Other artifact creatures you control get +1/+0 and have menace. Unearth {2}{B} ({2}{B}: 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.)

Discard a card, then draw a card. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

+1: Each opponent discards a card and loses 2 life. −3: Gain control of target creature until end of turn. Untap it. It gains haste until end of turn. Sacrifice it at the beginning of the next end step if it has mana value 3 or less. −8: Each opponent loses life equal to the number of cards in their graveyard.