Artifact Creature that is a Gnome and/or Artificer
Initial Card State
All permanents on the battlefield.
Jan Jansen must be your commander.
Notable Prerequisites
Jan Jansen and the additional Gnome or Artificer do not have a +1/+1 counter on them.
You control at least one additional artifact creature.
Steps
Activate
Jan Jansen's first ability by tapping it and sacrificing another artifact creature you control except the Gnome or Artificer.
Jan Jansen triggers, causing it and creatures you control that share a creature type with it to get +2/+0 and undying until end of turn.
Resolve the
Jan Jansen ability, creating two Treasure tokens.
Activate
Evereth by sacrificing
Jan Jansen.
When
Jan Jansen dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
Resolve the
Evereth ability, putting a +1/+1 counter on it.
Activate
Jan Jansen's first ability by tapping it and sacrificing the Gnome or Artificer.
When the Gnome or Artificer dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
Resolve the
Jan Jansen ability, creating two Treasure tokens.
Activate a Treasure by tapping and sacrificing it, adding ({B} magic symbol) .
Activate
Retribution of the Ancients by paying ({B} magic symbol) and removing the +1/+1 counter from
Jan Jansen and the other Gnome or Artificer, giving a creature -2/-2 until end of turn.
Repeat from step 4.
Notes
If you have a way to kill
Evereth and ({1} magic symbol) ({BR} magic symbol) available, you can do so after putting a significant amount of +1/+1 counters on it to deal damage to each opponent using its second ability.
Results
Infinite +1/+1 counters on a creature.
Infinite Treasure tokens.
Infinite artifact ETB.
Infinite artifact LTB.
Infinite artifact sacrifice triggers.
Infinite artifact tokens.
Infinite colored mana.
Infinite creature ETB.
Infinite creature LTB.
Infinite creature sacrifice triggers.
Infinite death triggers.
Infinite power for certain creatures until end of turn.
Reduce the toughness of creatures opponents control to 0.
Infinite damage.
Metadata
In 0 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).