Leonin Relic-Warder enters, its first ability triggers, exiling
Rescue Skiff.
Activate
Evereth by sacrificing
Leonin Relic-Warder.
When
Leonin Relic-Warder dies, its second ability triggers, returning
Rescue Skiff from exile to the battlefield.
When
Rescue Skiff enters, it triggers, returning
Leonin Relic-Warder from your graveyard to the battlefield.
When
Leonin Relic-Warder enters, its first ability triggers, exiling
Rescue Skiff.
Resolve the
Evereth ability from step 3.
Repeat from step 3.
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 artifact ETB.
Infinite artifact LTB.
Infinite artifact sacrifice triggers.
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.