Whenever an artifact is put into a graveyard from the battlefield, you may have target opponent lose 1 life.
Menace Whenever Valley Rotcaller attacks, each opponent loses X life and you gain X life, where X is the number of other Squirrels, Bats, Lizards, and Rats you control.
Whenever an opponent draws a card, Fate Unraveler deals 1 damage to that player.
Whenever a creature you control attacks, defending player loses 1 life and you gain 1 life. {3}{R/W}{R/W}: Creatures your opponents control block this turn if able, and you choose how those creatures block.
Fabricate 3 (When this creature enters, 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.
When Stitcher’s Supplier enters or dies, mill three cards. (Put the top three cards of your library into your graveyard.)
Flash Whenever Thieves’ Guild Enforcer or another Rogue you control enters, each opponent mills two cards. As long as an opponent has eight or more cards in their graveyard, Thieves’ Guild Enforcer gets +2/+1 and has deathtouch.
Necrogoyf’s power is equal to the number of creature cards in all graveyards. At the beginning of each player’s upkeep, that player discards a card. Madness {1}{B}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
Flying, lifelink, hexproof from planeswalkers Boast — {1}{B}, Sacrifice a creature: Each opponent sacrifices a creature or planeswalker. (Activate only if this creature attacked this turn and only once each turn.)
Reach Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.) As long as Doom Weaver is paired with another creature, each of those creatures has “When this creature dies, draw cards equal to its power.”
This spell costs {2} less to cast for each creature card in your graveyard. Whenever a creature you control dies, put it on the bottom of its owner’s library. {2}{B}, {T}, Pay 2 life: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Whenever another nontoken creature dies, you may draw a card.