Ith, High Arcanist Combos
Ith, High Arcanist + Ioreth of the Healing House
Ith, High Arcanist + Mesmeric Orb
Ith, High Arcanist + Unctus, Grand Metatect
Ith, High Arcanist + Wake Thrasher
Ith, High Arcanist + Ashaya, Soul of the Wild + Chronic Flooding
Magda, Brazen Outlaw + Ith, High Arcanist + Arcane Adaptation
Magda, Brazen Outlaw + Ith, High Arcanist + Artificial Evolution
Magda, Brazen Outlaw + Ith, High Arcanist + Conspiracy
Magda, Brazen Outlaw + Ith, High Arcanist + Maskwood Nexus
Najeela, the Blade-Blossom + Ith, High Arcanist + Bloom Tender
Combo result
Infinite combat phases. Infinite creature tokens. Infinite ETB. Infinite lifegain. Infinite lifegain triggers.
Prerequisites
All permanents on the battlefield. All permanents do not have summoning sickness. You control a black permanent. Opponents are unable to block and kill Najeela and Ith.