the first turn, with available each extra turn available.
Steps
Cast
Rise of the Eldrazi either from your hand or from your graveyard for its flashback cost by paying , causing target player to draw four cards, and you to destroy target permanent, take an extra turn after this one and exile
Rise of the Eldrazi.
Move to your next turn.
Activate
Isochron Scepter by paying and tapping it, casting a copy of
Pull from Eternity without paying its mana cost.
Resolve the
Pull from Eternity copy, putting
Rise of the Eldrazi into your graveyard from exile.
Repeat.
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.