Haru triggers, returning the land from your graveyard to the battlefield.
When the land enters,
Bloodghast triggers, returning itself from your graveyard to the battlefield.
When
Bloodghast enters as an Ally due to
Rukarumel,
Haru triggers, earthbending a land.
Resolve the
Evereth ability from step 4.
Repeat from step 3.
Notes
If the chosen land can enter untapped and produce mana, you may do so each iteration to get infinite mana of those color(s) and type(s).
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 landfall triggers.
Infinite mana lands you control that enter the battlefield untapped can produce.
Infinite damage.
Metadata
Bracket tag
ExhibitionBracket 1+
For any deck
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.