Even tokens persist while phased out

Abaddon the Despoiler Annoyed Altisaur Apex Devastator Ardent Plea Aurora Phoenix Averna, the Chaos Bloom Bigger on the Inside Bituminous Blast Bloodbraid Challenger Bloodbraid Elf Bloodbraid Marauder Boarding Party Call Forth the Tempest Captured Sunlight Cascade Seer Dark Apostle Demonic Dread Deny Reality Dreamroot Cascade Enigma Sphinx Enlisted Wurm Etherium-Horn Sorcerer Ethersworn Sphinx Flamekin Herald Forceful Denial Garbage Elemental Heralds of Tzeentch Imoti, Celebrant of Bounty Ingenuity Engine Into the Time Vortex Kathari Remnant Let the Galaxy Burn Maelstrom Colossus Maelstrom Nexus Maelstrom Wanderer Meteoric Mace Natural Reclamation Noise Marine Quandrix, the Proof Rain of Riches Sakashima's Protege Shardless Agent Skyline Cascade Sloppity Bilepiper Smoldering Stagecoach Stormcaller's Boon Sweet-Gum Recluse TARDIS TARDIS Bay The First Doctor The First Sliver Throes of Chaos Violent Outburst Volcanic Torrent Wild-Magic Sorcerer Wildsear, Scouring Maw Yidris, Maelstrom Wielder Zhulodok, Void Gorger

With cards like Scute Swarm, Field of the Dead, and Springheart Nantuko, this gets game ending incredibly quickly, so much so that people are already brewing cEDH decks around it
In an aggro deck, that little bit of extra ramp could be all you need to get the game done quickly
It turns out that choice makes spells more powerful
Henzie makes ramp cards like Rampant Rejuvenator feel decidedly playable, and helps you get a Balefire Dragon in cheaper and with the element of surprise