I found these two videos in Japanese which summarized the basics well (although they are far from comprehensive)
Once at the end of your turn, if Heatran is on your Bench, you may use this power
In the Jeskai we see it as a flurry of spells cast one after the other, while the Temur like to go big with large, expensive spells
Company: Wizards of the Coast Brand: Magic The Gathering Series: The Brothers' War Transformers Item Type: Single Card Release Date: November 18, 2022 UPC: 0610622035566 Stock #: 414944 Our Guarantees to You, Our Valued Customer
Surges Strategy, Electromagnetic Radar, Cleffa, Giovannis Exile, Graveler, Porygon2, Martial Arts Dojo, Fairy Charm L, Poliwhirl, Devolution Spray Z, Metapod, Kogas Trap, Dust Island, Pyukumuku, Fire Crystal, Weepinbell, Surprise Box, Torracat, Energy Spinner, Charjabug, Chip-Chip Ice Axe, Samson Oak, Janine, Raticate, Triple Acceleration Energy, Fairy Charm Ability, Tyrogue, Stealthy Hood, Chatot, Electromagnetic Radar, Frogadier, Beast Bringer, Power Plant, Lairon, Greens Exploration, Wartortle, Gloom, Haunter, Cleffa, Happiny, Dust Island, Golbat, Tentacruel, Pokgear 3.0, Molayne, Giovannis Exile, Dusk Stone, Raticate, Lt
Because its a Trainer card, its versatile (see above)
