I find that it's really valuable in: Any Color Combo with Green Ramp with the mana to easily abuse this
Advanced Search Sets Random Syntax Akroma's Will Akroma's Will Akroma, Vision of Ixidor Angelfire Ignition Animus of Predation Arwen, Mortal Queen Basri, Tomorrow's Champion Bleeding Effect Caduceus, Staff of Hermes Captain America, Steve Rogers Captain Marvel, Earth's Protector Cecil, Redeemed Paladin Celebr-8000 Dihada, Binder of Wills Eater of Virtue Ephara, Ever-Sheltering Gideon Blackblade Heliod, Sun-Crowned Indominus Rex, Alpha Kathril, Aspect Warper Ketramose, the New Dawn Lotusguard Disciple Majestic Myriarch Moogles' Valor Necromancer's Familiar Odric, Blood-Cursed Odric, Lunarch Marshal Ollenbock Escort Orcish Medicine Ormendahl, Profane Prince Paladin Danse, Steel Maverick Rayami, First of the Fallen Ready // Willing Ready // Willing Resolute Rider Rodolf Duskbringer Rush of Vitality Sanctum Spirit Scales of Shale Selective Adaptation Selfless Samurai Sephara, Sky's Blade Shadowspear Shadowspear Soulflayer Super-Adaptoid Take Up the Shield Tale of Tinviel Thalia's Geistcaller The Last Ronin Thunderous Orator Transcendent Master Urborg Scavengers Wretched Bonemass
With cards like Flux Channeler or Inexorable Tide, even casting your normal noncreature spells turns into a wave of counter growth across your board
Amoeboid Changeling is responsible for multiple combo interactions
