minus for each creature and artifact you control each turn available.
Steps
Activate
Sakashima using
Avatar Kuruk's ability by paying minus for each creature and/or artifact you can tap while activating it, causing you to take an extra turn after this one.
Activate
Fortune's saddle ability by tapping
Sakashima, causing
Fortune to become saddled until end of turn.
Declare
Fortune as an attacker. At end of combat,
Fortune triggers, blinking it and
Sakashima. Choose to have
Sakashima enter the battlefield as a copy of
Avatar Kuruk.
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.