Legality depends on the tournament format -- see the Legality section above for every format this combo is legal in
This creates an engine that allows you to loop channel and cycling lands with no drawback, and even gets around commander tax, since you can cast Slogurk from your hand for no extra cost
Swallowed by Leviathan Swallowed by Leviathan from Magic: The Gathering FINAL FANTASY looks like a promising option
You can get a decent amount of value out of it if you build in flicker effects
Brotherhood Scribe Sure, tapping for an energy is fun, but Brotherhood Scribe is here because it makes your creatures infinitely big when you get your expected infinite combo, as it triggers off each iteration of energy gain
Speaking of winning the game, in many builds, the primary goal is to cast Lumra, put its ETB trigger on the stack, then sacrifice Lands in response with cards like Zuran Orb, Sylvan Safekeeper, or Lotus Field