You can recoup a little bit of the life lost with Tevals lifelink ability, so make sure you dont dip too low
Jin-Gitaxias / The Great Synthesis Jin-Gitaxias offers two very different forms of card advantage

Alicia Masters, Skilled Sculptor Arclight Phoenix Battle Plan Battle-Rattle Shaman Belligerent of the Ball Bespoke Battlegarb Blacksmith's Talent Blood Mist Boundary Lands Ranger Brambleguard Captain Cait Sith, Fortune Teller Chandra, Spark Hunter Chaos Dragon Chaos Terminator Lord Daring Piracy Determined Iteration Ferocification Fire Nation Turret Flamewake Phoenix Franklin Richards, Ascendant Furyblade Vampire Goblin Rabblemaster Gogo, Mysterious Mime Haradrim Spearmaster Harried Dronesmith Hazoret's Favor Hot Pursuit Howlsquad Heavy Human Torch Iroh, Dragon of the West Knight Rampager Legion Warboss Living Lightning, Charged Up Loyal Apprentice Luke Cage, Hero for Hire Manifold Mouse Might Makes Right Mirage Phalanx Molecular Modifier Mount Velus Manticore Okaun, Eye of Chaos Old Hob, Alleycat Blues Overclocked Electromancer Raging Battle Mouse Reckless Stormseeker Rionya, Fire Dancer Sidequest: Play Blitzball Siege-Gang Lieutenant Sokenzan Smelter Stand or Fall Storm-Charged Slasher Territorial Hellkite Umaro, Raging Yeti Urabrask's Forge Valduk, Keeper of the Flame Valor Singer Warren Torchmaster

What formats are available for ranked play
While you lack a way to reliably give them haste, you can power up your enchantments with cards like Divine Visitation and Intangible Virtue 9 Brudiclad, Telchor Engineer The Layers Go Deep With a combat trigger to make a 2/1 blue Myr token at the start of your combat, Brudiclad, Telchor Engineer will quickly overwhelm the battlefield with all sorts of tokens, with them rarely looking the same turn after turn
The Maze insists that you have 10 Gates with different names