Its worth noting that its pretty easy to transform compared to some other flipwalkers, especially if you include some ways to sacrifice creatures

Alibou, Ancient Witness Alloy Golem Altar Golem Ancestral Statue Ancient Stone Idol Arcbound Bruiser Arcbound Overseer Arcbound Reclaimer Arcbound Wanderer Armix, Filigree Thrasher Awakened Amalgam Basalt Golem Battered Golem Beast of Burden Blightsteel Colossus Bosh, Iron Golem Bottle Golems Boulderbranch Golem Brass Herald Bronze Guardian Campus Guide Chronomaton Clay Golem Clay Revenant Clay Statue Coal Golem Cobalt Golem Colossus of Akros Colossus of Sardia Complex Automaton Composite Golem Cradle Clearcutter Crosis's Attendant Crumbling Colossus Crystal Golem Custodian of the Trove Darigaaz's Attendant Darksteel Colossus Darksteel Sentinel Disruptor Wanderglyph Dodecapod Dromar's Attendant Dross Golem Dune Mover Emblazoned Golem Enatu Golem Epitaph Golem Essence of Antiquity Etched Monstrosity Flint Golem Forgotten Sentinel Geode Golem Gilded Sentinel Gingerbrute Glass Golem Glassdust Hulk Golden Guardian Goldfury Strider Golem Artisan Gravestone Strider Guardian of the Ages Guardians of Meletis Hematite Golem Henge Walker Hewed Stone Retainers Hexplate Golem Hollow One Hollow Warrior Hoverstone Pilgrim Howling Golem Iceberg Titan

Mudhole Mudhole has some really nice art
For example, suppose you control Edgar, King of Figaro, Ral Zarek, and Chance Encounter (which has "Whenever you win a coin flip, put a luck counter on this enchantment.") and you activate Ral Zarek's last ability ("7: Flip five coins
Tsunekazu Ishihara, Mr
If you can drop a bunch of lands at once with Scapeshift or Hew the Entwood, Gladiolus can straight-up end the game with the extra damage it stacks up