At the beginning of each player's upkeep, Ancient Runes deals damage to that player equal to the number of artifacts they control.

Destroy each nonland permanent with mana value 2 or less. Add {B} or {G} for each permanent destroyed this way.

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

Whenever an artifact is put into a graveyard from the battlefield, you may gain 5 life.

Activated abilities of artifacts your opponents control can't be activated.

+1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value.

-2: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card into your hand.

Whenever another artifact is put into a graveyard from the battlefield, Magnetic Mine deals 2 damage to that artifact's controller.

Fabricate 3 (When this creature enters the battlefield, put three +1/+1 counters on it or create three 1/1 colorless Servo artifact creature tokens.)

Whenever an artifact you control is put into a graveyard from the battlefield, target opponent loses life equal to Marionette Master's power.

Whenever a player sacrifices a permanent, Mayhem Devil deals 1 damage to any target.

Destroy each artifact with mana value X or less.

Destroy all artifacts. They can't be regenerated. The controller of each of those artifacts gains life equal to its mana value.

Haste

{T}: Target opponent creates X Treasure tokens, where X is the number of Treasure tokens you created this turn.

Whenever an opponent casts a spell or activates an ability, if mana from a Treasure was spent to cast it or activate it, put a +1/+1 counter on target creature, then draw a card.

Whenever an artifact is put into an opponent's graveyard from the battlefield, you may draw a card.