At least 10 total Gates with different names in your library and/or on the battlefield.
Mana Needed
available.
Steps
Cast
Scapeshift, sacrificing 9 lands and searching your library for nine gates minus the number of gates already on the battlefield under your control and putting them onto the battlefield.
Activate
Maze's End, searching your library for a tenth gate and putting it onto the battlefield, winning you the game.
Results
Win the game.
Metadata
Bracket tag
OddballBracket 2-3+
Probably 2 or 3, 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.