Pain Distributor

Menace
Whenever a player casts their first spell each turn, they create a Treasure token.
Whenever an artifact an opponent controls is put into a graveyard from the battlefield, this creature deals 1 damage to that player.

Pyre-Sledge Arsonist

{1}, {T}: This creature deals X damage to any target, where X is the number of permanents you've sacrificed this turn.

Krark-Clan Stoker

Brass's Bounty

For each land you control, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Vengeful Tracker

Whenever an opponent sacrifices an artifact, this creature deals 2 damage to them.

Marching Duodrone

Whenever this creature attacks, each player creates a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")