The effect from Lizard's triggered ability doesn't end at the end of the turn
The Vanguard and its tokens are hissing at me in unison
And that cant happen without the turn three shift
Labyrinth Champion Red sure has some diversity in its heroic effects, and Labyrinth Champion gives you some burn when you target it

The deck: Merfolk Tribal Comparative Analysis 34 Lands 12 Ramp : Hakbal of the Surging Soul, Nicanzil, Current Conductor, Thieving Skydiver, Sol Ring, Stonybrook Banneret, Simic Signet, Patchwork Banner, Thrasios, Triton Hero, Deeproot Wayfinder, Thada Adel, Acquisitor, Twists and Turns (late), Kioras Follower 11 Target Removal : Thada Adel, Acquisitor (kinda), Vodalian Hexcatcher, Chomping Changeling, Lullmage Mentor, Harbinger of the Tides, Disruptor of Currents, Repulsive Mutation, Tishanas Tidebinder (kinda), Empress Galina, Thieving Skydiver (kinda), Champions of the Shoal (kinda) 3 Board Wipes :Wave Goodbye, Aetherize, Summon: Leviathan 2 Graveyard Recursion : Deeproot Historian, Quandrix Command (to library) 1 Graveyard Hate : Scavenger Grounds 4 Tutors : Forerunner of the Heralds, Merrow Harbinger, Seahunter, Twists and Turns (late) 12 Protection : Ripples of Potential, Singer of Swift Rivers, Svyelun of Sea and Sky, Kopala, Warden of Waves, Roaming Throne (self-protection), Inspiring Call, Vodalian Hexcatcher, Lullmage Mentor, Tishanas Tidebinder, Disruptor of Currents, Summon: Leviathan (self-protection), Repulsive Mutation 15,5 Card Draw : Hakbal of the Surging Soul, Kumena, Tyrant of Orazca, Svyelun of Sea and Sky, Emperor Mihail II (kinda), Seafloor Oracle, Cold-Eyed Selkie, Inspiring Call, Tatyova, Benthic Druid, Zegana, Utopian Speaker (1/2), Benthic Biomancer, Tributary Instructor, Kiora, the Rising Tide (1/2), Thrasios, Triton Hero, Aquitects Will (1/2), Harmonized Trio, Prime Speaker Zegana, Summon: Leviathan 5 Finishers/ Surprise /Alternate win conditions : Herald of Secret Streams, Master of the Pearl Trident, Lord of Atlantis, Mist Dancer, Simic Ascendancy As we see from the comparative analysis, the rates per category are very good

Obviously, if people start playing a ton of anti-creature cards that match up well against Izzet, we could also go the other way, starting as a Thousand-Year deck and transforming into creatures later