Insurance against Mana Flood We've discussed the "land" side of Lumbering Falls, but what about the "creature" side

3 Braska's Final Aeon Cecil, Dark Knight Chaos, the Endless Cloud of Darkness Emet-Selch, Unsundered Exdeath, Void Warlock Fang, Fearless l'Cie Gaius van Baelsar Galian Beast Garland, Knight of Cornelia Golbez, Crystal Collector Hades, Sorcerer of Eld Jecht, Reluctant Guardian Jenova, Ancient Calamity Judge Magister Gabranth Kain, Traitorous Dragoon Kefka, Court Mage Kefka, Ruler of Ruin Kuja, Genome Sorcerer Locke Cole Neo Exdeath, Dimension's End Noctis, Prince of Lucis Ragnarok, Divine Deliverance Reno and Rude Rufus Shinra Sephiroth, Fabled SOLDIER Sephiroth, One-Winged Angel Sephiroth, Planet's Heir Seymour Flux Shinryu, Transcendent Rival Sin, Spira's Punishment Squall, SeeD Mercenary The Darkness Crystal Trance Kuja, Fate Defied Ultimecia, Omnipotent Ultimecia, Time Sorceress Vincent Valentine Xande, Dark Mage Yiazmat, Ultimate Mark Zenos yae Galvus Zodiark, Umbral God

Krosan Constrictor Normally we see 2/2 Swampwalkers costed at three mana, so the real question with Krosan Constrictor is if access to its activated ability is really worth the extra one mana
And...don't forget that this is on a legendary dork, so he's eligible as a Commander too
Temporal Forces (2024) Walking Wake ex and Raging Bolt ex headline this one with power moves that punish slow starts
Im more curious about this in some kind of blink shell (think Roon of the Hidden Realm decks in EDH), although Im not sure you want an 8-drop there