Traveling Plague by paying ({3} magic symbol) ({B} magic symbol) ({B} magic symbol) , attaching it to another creature you control.
When
Traveling Plague enters,
Ghostly Dancers triggers, creating a creature token.
Activate
Evereth by sacrificing the creature
Traveling Plague is attached to.
When the creature dies,
Traveling Plague triggers, returning itself from your graveyard to the battlefield attached to the token created in step 2.
When
Traveling Plague enters,
Ghostly Dancers triggers, creating a creature token.
Resolve the
Evereth ability.
Repeat from step 3.
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 creature ETB.
Infinite creature LTB.
Infinite creature sacrifice triggers.
Infinite death triggers.
Infinite damage.
Metadata
In 0 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Spicy (Bracket 3-4+).