Havi trigger, returning up to one legendary creature card with mana value 3 or less from your graveyard to the battlefield.
Resolve the
Evereth ability.
Activate
Evereth by sacrificing
Havi.
When
Havi dies, it triggers, returning
Gerrard from your graveyard to the battlefield.
Resolve the
Gerrard trigger from step 2, failing to exile it as it is no longer in your graveyard and returning
Havi from your graveyard to the battlefield.
Resolve the
Evereth ability.
Repeat.
Notes
If you have a way to kill
Evereth and 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
Bracket tag
SpicyBracket 3-4+
Probably 3 or 4, but hard to classify
1
2
3
4
5
1 · Exhibition5 · cEDH
Bracket tags are estimated from the cards and results of each combo, as a guideline rather than a strict classification.