Cosmic Intervention in exile (with a kick counter on it).
Notable Prerequisites
Zethi does not have summoning sickness.
You control at least three Islands.
Mana Needed
each turn available.
Steps
Declare
Zethi as an attacker.
Zethi's last ability triggers, causing you to pay to cast a copy of
Cosmic Intervention, creating a replacement effect that is active this turn.
Move to your postcombat phase.
Cast
Walk the Aeons with buyback by paying and sacrificing three Islands, putting the Islands in exile instead of the graveyard and creating a delayed triggered ability due to
Cosmic Intervention's replacement effect.
Resolve
Walk the Aeons, causing you to take an extra turn after this one and returning
Walk the Aeons to your hand.
At the beginning of your end step,
Cosmic Intervention's delayed triggered ability triggers, returning the exiled Islands from exile to the battlefield.
Repeat each turn.
Results
Infinite turns.
Metadata
Lock
Bracket tag
RuthlessBracket 4+
For competitive decks at brackets 4+
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.